Interesting biology facts
•
2 likes•1,666 views
Increase your biology knowledge with this great collection of interesting biology facts.Do you know?? The common cold is a type of virus.
Report
Share
Report
Share
Download to read offline
Recommended
Heat, Light, Sound.ppt
Energy can take many forms, including heat, light, and sound. Heat is the total energy of moving molecules, while temperature measures average molecular motion. Light and sound are forms of energy that travel in waves. Light waves can be electromagnetic or travel via photons, and different frequencies of light appear as different colors. Sound waves require a medium and produce pitch and loudness. Heat can be transferred through conduction, convection, and radiation. Radiation uses electromagnetic waves to transfer energy through space.
Introduction to yr7 science ppt
This document provides an overview of the scientific process and various topics in science. It discusses what science is, how science works through processes like making observations, developing inferences and hypotheses, conducting fair tests with variables, and analyzing results to form conclusions. It also outlines key branches of science like biology, physics, and chemistry. The document aims to explain scientific concepts and practices to students.
Differences Between Plant and Animal Cells
Cell definition
Parts common and part only in plant cell
Function of the basic cell parts in animal and plant cell
assesment
Scientific method notes
The scientific method is a systematic process used by scientists to investigate problems and acquire new knowledge. It involves making observations, formulating a hypothesis, conducting experiments, analyzing data, and drawing conclusions. The document outlines the key steps of the scientific method including identifying a problem, forming a hypothesis, designing an experiment, collecting and analyzing data, and forming a conclusion. An example is provided to illustrate how these steps can be applied to investigate the effect of pH levels on plant growth.
Scientific method ppt
John wondered if the amount of sugar used in bread affects how high the bread rises. He formulated the hypothesis that more sugar would result in higher rising bread. John then conducted two experiments where he varied the amount of sugar while keeping other factors the same. In the first experiment, John found that his control group with 50g of sugar worked best, though 100g was not significantly different. In a second experiment with finer sugar gradations, John found that 70g of sugar produced the largest loaf, accepting his hypothesis.
Measuring mass
Mass is the amount of matter in an object, while weight depends on both mass and gravity. Common tools for measuring mass include triple beam balances and beam balances. The triple beam balance uses sliding weights to balance the mass of an object, while the beam balance uses a central beam to measure mass. Mass is quantified using metric units like grams and kilograms, with the kilogram being the SI base unit of mass. Weight varies with changes in gravity, while mass remains constant regardless of location.
Levels of organization
There are 8 levels of organization in biology:
1. Cells are the basic unit of structure and function.
2. Tissues are groups of cells that perform specific functions.
3. Organs are made of different tissues working together to perform functions like the heart.
4. Organ systems are groups of organs that work together, like the circulatory system.
5. Organisms are made up of all cells, tissues, organs and organ systems.
6. Populations are groups of the same type of organisms living together.
7. Communities are groups of populations that interact in an area.
8. Ecosystems are populations living together in an area.
5 Eligibility and Benefits Verification Challenges that Most Medical Practice...
Practices can use either real-time computerized eligibility checks or manual checks to verify a patient's eligibility verification.
In order to ensure that patients are eligible for the services they are seeking, medical practices have a few options for validation. One way to verify eligibility is through the use of computerized real-time eligibility checks. This method utilizes electronic systems to instantly check a patient's insurance coverage and benefits, providing the practice with immediate confirmation of the patient's eligibility.
Recommended
Heat, Light, Sound.ppt
Energy can take many forms, including heat, light, and sound. Heat is the total energy of moving molecules, while temperature measures average molecular motion. Light and sound are forms of energy that travel in waves. Light waves can be electromagnetic or travel via photons, and different frequencies of light appear as different colors. Sound waves require a medium and produce pitch and loudness. Heat can be transferred through conduction, convection, and radiation. Radiation uses electromagnetic waves to transfer energy through space.
Introduction to yr7 science ppt
This document provides an overview of the scientific process and various topics in science. It discusses what science is, how science works through processes like making observations, developing inferences and hypotheses, conducting fair tests with variables, and analyzing results to form conclusions. It also outlines key branches of science like biology, physics, and chemistry. The document aims to explain scientific concepts and practices to students.
Differences Between Plant and Animal Cells
Cell definition
Parts common and part only in plant cell
Function of the basic cell parts in animal and plant cell
assesment
Scientific method notes
The scientific method is a systematic process used by scientists to investigate problems and acquire new knowledge. It involves making observations, formulating a hypothesis, conducting experiments, analyzing data, and drawing conclusions. The document outlines the key steps of the scientific method including identifying a problem, forming a hypothesis, designing an experiment, collecting and analyzing data, and forming a conclusion. An example is provided to illustrate how these steps can be applied to investigate the effect of pH levels on plant growth.
Scientific method ppt
John wondered if the amount of sugar used in bread affects how high the bread rises. He formulated the hypothesis that more sugar would result in higher rising bread. John then conducted two experiments where he varied the amount of sugar while keeping other factors the same. In the first experiment, John found that his control group with 50g of sugar worked best, though 100g was not significantly different. In a second experiment with finer sugar gradations, John found that 70g of sugar produced the largest loaf, accepting his hypothesis.
Measuring mass
Mass is the amount of matter in an object, while weight depends on both mass and gravity. Common tools for measuring mass include triple beam balances and beam balances. The triple beam balance uses sliding weights to balance the mass of an object, while the beam balance uses a central beam to measure mass. Mass is quantified using metric units like grams and kilograms, with the kilogram being the SI base unit of mass. Weight varies with changes in gravity, while mass remains constant regardless of location.
Levels of organization
There are 8 levels of organization in biology:
1. Cells are the basic unit of structure and function.
2. Tissues are groups of cells that perform specific functions.
3. Organs are made of different tissues working together to perform functions like the heart.
4. Organ systems are groups of organs that work together, like the circulatory system.
5. Organisms are made up of all cells, tissues, organs and organ systems.
6. Populations are groups of the same type of organisms living together.
7. Communities are groups of populations that interact in an area.
8. Ecosystems are populations living together in an area.
5 Eligibility and Benefits Verification Challenges that Most Medical Practice...
Practices can use either real-time computerized eligibility checks or manual checks to verify a patient's eligibility verification.
In order to ensure that patients are eligible for the services they are seeking, medical practices have a few options for validation. One way to verify eligibility is through the use of computerized real-time eligibility checks. This method utilizes electronic systems to instantly check a patient's insurance coverage and benefits, providing the practice with immediate confirmation of the patient's eligibility.
Blood Types and Personality
This document discusses blood types and their potential associations with personality traits. It explains that Karl Landsteiner discovered the ABO blood group system and that later researchers identified the Rh system, which determines if a blood type is positive or negative. The document suggests that O is the oldest blood type while A, B, and AB appeared later as human populations increased and migrated. It provides information on blood type compatibility for donations. Finally, it provides brief descriptions of personality traits that have been associated with each main blood type.
Organ donation
This document summarizes information about organ donation. It discusses how organ transplantation works by moving organs from donors to recipients. It notes some of the pros of donation like how one donor can save multiple lives. However, it also outlines some cons such as religious or family beliefs against donation. Statistics provided show a large need for organs but low donation rates in India. The document overviews relevant laws and ethics concerning issues like consent, selling organs, and defining brain death. It emphasizes the need for more public awareness to address myths and safely increase the number of donations.
Line Graph Presentation
This document provides information about line graphs and bar graphs, including:
- Line graphs show changes over time, with time measured along the x-axis. They can be used to show things like rainfall or temperature changes monthly or yearly.
- Bar graphs are used to compare categorical data rather than changes over time.
- When making a line graph, labels should be included on the x and y axes to identify what each represents, such as time or values. Data points are plotted by reading the x-axis value first.
- Intervals on the axes should be chosen appropriately based on the scale of data, for example not plotting every single day or temperature value.
GRADE 3 -FACTORS AND MULTIPLES.pptx
This document discusses factors, multiples, least common multiples (LCM), and greatest common factors (GCF). It provides examples of finding the multiples of numbers by multiplying them by counting numbers. It also shows how to find the LCM and GCF of two numbers by listing their common multiples or factors and taking the least or greatest. The key steps are to find the multiples of each number, identify their common multiples to determine the LCM, or common factors to determine the GCF.
Newtons laws of_motion
Newton's three laws of motion are:
1) An object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force. Friction causes moving objects to slow down and stop.
2) The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, inversely proportional to the mass of the object.
3) For every action, there is an equal and opposite reaction. Forces always occur in pairs between interacting objects.
Converting unit measures
The document discusses various units of measurement in the metric system including units for length (meters, centimeters, millimeters), mass (kilograms, grams), capacity (liters, milliliters), area (square meters, hectares), and volume (cubic meters, liters). It provides examples for converting between metric units using multiplication or division by powers of ten. The document also briefly discusses units of time and provides examples of calculating time to complete multiple tasks.
Body systems powerpoint
This document provides information about multiple body systems. It begins with a quiz about body parts and the skeletal system. It then covers key details about the skeletal, muscular, skin, digestive, circulatory, respiratory, excretory, nervous, endocrine, immune, and reproductive systems. For each system it discusses functions, organs/parts, and how they work together to keep the body functioning properly. The document uses diagrams, images and short videos to enhance understanding of anatomy and physiology.
Biology M3 Food Storage in flowering plants
The document discusses long-term and short-term food storage organs in plants. Long-term storage organs include underground stems modified into tubers, rhizomes, and corms. Underground storage leaves form bulbs, while above-ground stems can store food long-term as well, such as sugarcane. Special storage roots include tuberous roots and swollen taproots. Short-term storage organs provide food reserves until the next growing season and include leaves, stems, and roots. The document provides examples of different plant structures that serve as long-term and short-term food storage organs.
Powerpoint respiration
1. Respiration is the process by which living cells produce energy from food sources like glucose.
2. Aerobic respiration uses oxygen to fully break down glucose into carbon dioxide and water, producing more energy. Anaerobic respiration breaks down glucose without oxygen, producing less energy.
3. In humans, muscles use anaerobic respiration during intense exercise when oxygen delivery is insufficient, producing lactic acid as a byproduct which must later be broken down.
homeostasis questions.doc
The document contains questions and diagrams about homeostasis in the human body. It addresses the removal of waste such as water, carbon dioxide, urea and salts from the body. Specific organs involved in this process include the lungs, liver, kidneys and skin. The questions assess understanding of the role of these organs in maintaining homeostasis and water balance in the body.
MEASURING VOLUME (teach)
1) Volume measures how much space an object occupies, while mass measures the amount of matter. Volume is like size and mass is like weight.
2) Volume is measured in cubic units like cubic centimeters (cc) or cubic meters. One cc is the volume of a cube with 1 cm sides.
3) Liquid volume is also measured in cc or milliliters (mL), where 1 mL = 1 cc. Graduated cylinders are used to measure liquid volumes in the classroom.
28 p.13.1 force and motion ppt (2) (1)
The document discusses forces and motion. It defines a force as a push or pull that can cause an object to start, stop or change direction of motion. There are different types of forces including pushes/pulls, friction, magnetism and gravity. Friction opposes motion while gravity causes objects to fall. The motion of an object depends on the balanced or unbalanced forces acting upon it.
Solutions
This document discusses solutions and properties of solutions. It begins by asking key questions about solutions, such as whether solutions are always liquids and if all solids dissolve in water. It then describes an activity where students observe and record the properties of common household solutions in a table. The document explains that solutions are homogeneous mixtures consisting of a solvent and solute. It provides examples of naturally occurring solutions like seas and manufactured solutions like vinegar. It concludes by assigning homework where students prepare solutions using various solutes and solvents to observe their properties.
Fundamental Physics
Physical quantities refer to measurable features of objects and can be described by their numerical value and unit of measurement. The International System of Units (SI) provides standardized base units for common physical quantities like mass, length, and time, as well as derived units for other quantities like velocity, force, and energy. Quantities can be either scalar, having only magnitude, or vector, having both magnitude and direction. Motion can be described by quantities like position, velocity, and acceleration, and forces cause acceleration according to Newton's laws of motion. Different forms of energy, like kinetic, potential, chemical, and nuclear, can be converted between one another but the total quantity is conserved according to the law of conservation of energy. Nuclear reactions
Introduction to Science
1. Science relates to phenomena in the natural world and enables technological development that benefits humanity.
2. It involves identifying problems, forming hypotheses, planning experiments, collecting and analyzing data, and reporting conclusions.
3. Scientists use various instruments and follow standardized measurement systems to study topics like health, transportation, and communication.
What is-science-grade-7
Science is defined as a systematic attempt to establish knowledge through objective means. It employs skills like measuring, analyzing, observing, and experimenting. Science can be classified into pure science, applied science, and technology. Pure science involves experimentation for the pursuit of knowledge, while applied science searches for practical uses of scientific knowledge. Technology applies science to improve life. The three main branches of science are life science, physical science, and earth/space science. Life science studies living things, physical science deals with matter and energy, and earth science examines our planet and surroundings.
Lesson plan science
This module introduces biodiversity and how organisms are classified and named. It discusses the variety of living things on Earth and how they are grouped into domains, kingdoms, and species based on their characteristics. Organisms are classified to better understand the relationships between different types of living things and given scientific names to have a standardized system for identifying and discussing organisms anywhere in the world. The module will cover the historical background of classification, current classification systems, and the importance of classifying organisms.
Scientific method
1. The scientific method involves a series of steps to investigate natural occurrences, including developing a question, researching, forming a hypothesis, experimentation, analyzing results, and drawing a conclusion.
2. John wondered if the amount of sugar used in bread making would affect the size of the baked loaf. He hypothesized that more sugar would produce a higher loaf.
3. John conducted an experiment using different sugar amounts while keeping other factors the same. He found that the control group with 50g sugar worked best, but amounts near 100g also produced large loaves.
Living things classification
This document discusses the classification of organisms. It explains that biologists classify living things to organize them into groups to make them easier to study. There are seven main levels of classification: kingdom, phylum, class, order, family, genus, and species. The document then provides details about the five kingdoms - Monera, Protists, Fungi, Plants, and Animals - including their key characteristics and examples. It also introduces the concepts of binomial nomenclature and discusses how organisms are named scientifically.
"Force and motion" is a power point for the 9th grade Physics students at the...
1) A force is any push or pull that causes an object to change its motion or shape. Forces come in pairs - whenever one object exerts a force on another, the second object exerts an equal and opposite force back.
2) Newton's Second Law states that the acceleration of an object is directly proportional to the net force acting on it, and inversely proportional to its mass. Acceleration and net force always point in the same direction.
3) Newton's First Law says that objects at rest stay at rest and objects in motion stay in motion with the same speed and direction unless acted upon by a net unbalanced force.
The Cell Theory
Anton Van Leeuwenhoek was a Dutch scientist in the 1600s who is considered the father of microscopy. He developed early microscopes using single-lens magnifying glasses and was the first to observe and describe bacteria, yeast, and circulation in blood vessels. Over his long career, he published over 100 letters detailing his pioneering microscopic studies of both living and non-living things.
Introduction to microbiology
This document provides an overview of microbiology and microorganisms. It discusses that microbiology is the study of microbes too small to be seen with the naked eye. Microbes play both harmful and beneficial roles in our lives, causing diseases but also enabling important processes like photosynthesis, decomposition, nitrogen fixation, and food production. The document examines how microbes are used in medicine and research, gives examples of human and plant diseases caused by microbes, and explores microbial diversity and symbiotic relationships between microbes and other organisms.
More Related Content
What's hot
Blood Types and Personality
This document discusses blood types and their potential associations with personality traits. It explains that Karl Landsteiner discovered the ABO blood group system and that later researchers identified the Rh system, which determines if a blood type is positive or negative. The document suggests that O is the oldest blood type while A, B, and AB appeared later as human populations increased and migrated. It provides information on blood type compatibility for donations. Finally, it provides brief descriptions of personality traits that have been associated with each main blood type.
Organ donation
This document summarizes information about organ donation. It discusses how organ transplantation works by moving organs from donors to recipients. It notes some of the pros of donation like how one donor can save multiple lives. However, it also outlines some cons such as religious or family beliefs against donation. Statistics provided show a large need for organs but low donation rates in India. The document overviews relevant laws and ethics concerning issues like consent, selling organs, and defining brain death. It emphasizes the need for more public awareness to address myths and safely increase the number of donations.
Line Graph Presentation
This document provides information about line graphs and bar graphs, including:
- Line graphs show changes over time, with time measured along the x-axis. They can be used to show things like rainfall or temperature changes monthly or yearly.
- Bar graphs are used to compare categorical data rather than changes over time.
- When making a line graph, labels should be included on the x and y axes to identify what each represents, such as time or values. Data points are plotted by reading the x-axis value first.
- Intervals on the axes should be chosen appropriately based on the scale of data, for example not plotting every single day or temperature value.
GRADE 3 -FACTORS AND MULTIPLES.pptx
This document discusses factors, multiples, least common multiples (LCM), and greatest common factors (GCF). It provides examples of finding the multiples of numbers by multiplying them by counting numbers. It also shows how to find the LCM and GCF of two numbers by listing their common multiples or factors and taking the least or greatest. The key steps are to find the multiples of each number, identify their common multiples to determine the LCM, or common factors to determine the GCF.
Newtons laws of_motion
Newton's three laws of motion are:
1) An object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force. Friction causes moving objects to slow down and stop.
2) The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, inversely proportional to the mass of the object.
3) For every action, there is an equal and opposite reaction. Forces always occur in pairs between interacting objects.
Converting unit measures
The document discusses various units of measurement in the metric system including units for length (meters, centimeters, millimeters), mass (kilograms, grams), capacity (liters, milliliters), area (square meters, hectares), and volume (cubic meters, liters). It provides examples for converting between metric units using multiplication or division by powers of ten. The document also briefly discusses units of time and provides examples of calculating time to complete multiple tasks.
Body systems powerpoint
This document provides information about multiple body systems. It begins with a quiz about body parts and the skeletal system. It then covers key details about the skeletal, muscular, skin, digestive, circulatory, respiratory, excretory, nervous, endocrine, immune, and reproductive systems. For each system it discusses functions, organs/parts, and how they work together to keep the body functioning properly. The document uses diagrams, images and short videos to enhance understanding of anatomy and physiology.
Biology M3 Food Storage in flowering plants
The document discusses long-term and short-term food storage organs in plants. Long-term storage organs include underground stems modified into tubers, rhizomes, and corms. Underground storage leaves form bulbs, while above-ground stems can store food long-term as well, such as sugarcane. Special storage roots include tuberous roots and swollen taproots. Short-term storage organs provide food reserves until the next growing season and include leaves, stems, and roots. The document provides examples of different plant structures that serve as long-term and short-term food storage organs.
Powerpoint respiration
1. Respiration is the process by which living cells produce energy from food sources like glucose.
2. Aerobic respiration uses oxygen to fully break down glucose into carbon dioxide and water, producing more energy. Anaerobic respiration breaks down glucose without oxygen, producing less energy.
3. In humans, muscles use anaerobic respiration during intense exercise when oxygen delivery is insufficient, producing lactic acid as a byproduct which must later be broken down.
homeostasis questions.doc
The document contains questions and diagrams about homeostasis in the human body. It addresses the removal of waste such as water, carbon dioxide, urea and salts from the body. Specific organs involved in this process include the lungs, liver, kidneys and skin. The questions assess understanding of the role of these organs in maintaining homeostasis and water balance in the body.
MEASURING VOLUME (teach)
1) Volume measures how much space an object occupies, while mass measures the amount of matter. Volume is like size and mass is like weight.
2) Volume is measured in cubic units like cubic centimeters (cc) or cubic meters. One cc is the volume of a cube with 1 cm sides.
3) Liquid volume is also measured in cc or milliliters (mL), where 1 mL = 1 cc. Graduated cylinders are used to measure liquid volumes in the classroom.
28 p.13.1 force and motion ppt (2) (1)
The document discusses forces and motion. It defines a force as a push or pull that can cause an object to start, stop or change direction of motion. There are different types of forces including pushes/pulls, friction, magnetism and gravity. Friction opposes motion while gravity causes objects to fall. The motion of an object depends on the balanced or unbalanced forces acting upon it.
Solutions
This document discusses solutions and properties of solutions. It begins by asking key questions about solutions, such as whether solutions are always liquids and if all solids dissolve in water. It then describes an activity where students observe and record the properties of common household solutions in a table. The document explains that solutions are homogeneous mixtures consisting of a solvent and solute. It provides examples of naturally occurring solutions like seas and manufactured solutions like vinegar. It concludes by assigning homework where students prepare solutions using various solutes and solvents to observe their properties.
Fundamental Physics
Physical quantities refer to measurable features of objects and can be described by their numerical value and unit of measurement. The International System of Units (SI) provides standardized base units for common physical quantities like mass, length, and time, as well as derived units for other quantities like velocity, force, and energy. Quantities can be either scalar, having only magnitude, or vector, having both magnitude and direction. Motion can be described by quantities like position, velocity, and acceleration, and forces cause acceleration according to Newton's laws of motion. Different forms of energy, like kinetic, potential, chemical, and nuclear, can be converted between one another but the total quantity is conserved according to the law of conservation of energy. Nuclear reactions
Introduction to Science
1. Science relates to phenomena in the natural world and enables technological development that benefits humanity.
2. It involves identifying problems, forming hypotheses, planning experiments, collecting and analyzing data, and reporting conclusions.
3. Scientists use various instruments and follow standardized measurement systems to study topics like health, transportation, and communication.
What is-science-grade-7
Science is defined as a systematic attempt to establish knowledge through objective means. It employs skills like measuring, analyzing, observing, and experimenting. Science can be classified into pure science, applied science, and technology. Pure science involves experimentation for the pursuit of knowledge, while applied science searches for practical uses of scientific knowledge. Technology applies science to improve life. The three main branches of science are life science, physical science, and earth/space science. Life science studies living things, physical science deals with matter and energy, and earth science examines our planet and surroundings.
Lesson plan science
This module introduces biodiversity and how organisms are classified and named. It discusses the variety of living things on Earth and how they are grouped into domains, kingdoms, and species based on their characteristics. Organisms are classified to better understand the relationships between different types of living things and given scientific names to have a standardized system for identifying and discussing organisms anywhere in the world. The module will cover the historical background of classification, current classification systems, and the importance of classifying organisms.
Scientific method
1. The scientific method involves a series of steps to investigate natural occurrences, including developing a question, researching, forming a hypothesis, experimentation, analyzing results, and drawing a conclusion.
2. John wondered if the amount of sugar used in bread making would affect the size of the baked loaf. He hypothesized that more sugar would produce a higher loaf.
3. John conducted an experiment using different sugar amounts while keeping other factors the same. He found that the control group with 50g sugar worked best, but amounts near 100g also produced large loaves.
Living things classification
This document discusses the classification of organisms. It explains that biologists classify living things to organize them into groups to make them easier to study. There are seven main levels of classification: kingdom, phylum, class, order, family, genus, and species. The document then provides details about the five kingdoms - Monera, Protists, Fungi, Plants, and Animals - including their key characteristics and examples. It also introduces the concepts of binomial nomenclature and discusses how organisms are named scientifically.
"Force and motion" is a power point for the 9th grade Physics students at the...
1) A force is any push or pull that causes an object to change its motion or shape. Forces come in pairs - whenever one object exerts a force on another, the second object exerts an equal and opposite force back.
2) Newton's Second Law states that the acceleration of an object is directly proportional to the net force acting on it, and inversely proportional to its mass. Acceleration and net force always point in the same direction.
3) Newton's First Law says that objects at rest stay at rest and objects in motion stay in motion with the same speed and direction unless acted upon by a net unbalanced force.
What's hot (20)
"Force and motion" is a power point for the 9th grade Physics students at the...
"Force and motion" is a power point for the 9th grade Physics students at the...
Similar to Interesting biology facts
The Cell Theory
Anton Van Leeuwenhoek was a Dutch scientist in the 1600s who is considered the father of microscopy. He developed early microscopes using single-lens magnifying glasses and was the first to observe and describe bacteria, yeast, and circulation in blood vessels. Over his long career, he published over 100 letters detailing his pioneering microscopic studies of both living and non-living things.
Introduction to microbiology
This document provides an overview of microbiology and microorganisms. It discusses that microbiology is the study of microbes too small to be seen with the naked eye. Microbes play both harmful and beneficial roles in our lives, causing diseases but also enabling important processes like photosynthesis, decomposition, nitrogen fixation, and food production. The document examines how microbes are used in medicine and research, gives examples of human and plant diseases caused by microbes, and explores microbial diversity and symbiotic relationships between microbes and other organisms.
Hira ppt
1) Microorganisms are organisms too small to be seen with the naked eye, including bacteria, archaea, protozoa, algae, fungi, viruses, and some multicellular organisms.
2) Microorganisms can be divided into dangerous types that cause disease and useful types employed in industries like food production.
3) Dangerous microorganisms include E. coli, C. botulinum, salmonella, cholera, tetanus, staphylococcus, syphilis, dengue fever virus, yellow fever, and HIV, all of which can cause severe illness or death in humans.
biology.pdf
1. Biology is the branch of science that studies life and living organisms. It has been classified into botany, which is the study of plants, and zoology, which is the study of animals.
2. Biological science is an interdisciplinary field that is rapidly expanding as new disciplines are discovered. It incorporates learning from other fields like physics, chemistry, and mathematics.
3. As an empirical science, biological theories are always tentative and subject to change as new evidence emerges from experiments or theoretical developments.
Microbiology overview
This document provides an overview of microbiology and microorganisms. It discusses that microbiology is the study of microorganisms too small to be seen with the naked eye. It then describes the different types of microorganisms including bacteria, archaea, fungi, protozoa, algae, and viruses. It explains that microorganisms play both harmful and beneficial roles in our lives, such as causing disease but also aiding digestion. The document concludes with a brief history of microbiology including early discoveries with microscopes and experiments that disproved spontaneous generation, proving that all life comes from preexisting life.
Introduction of Microbiology (2).pdf
This document provides an overview of pharmaceutical microbiology. It discusses the introduction and branches of microbiology, including pure branches like bacteriology, mycology, and virology, and applied branches like medical, pharmaceutical, and industrial microbiology. The history of microbiology is also summarized, highlighting key figures like Antony van Leeuwenhoek, Louis Pasteur, and Alexander Fleming. Pasteur's contributions to microbiology through experiments on fermentation, sterilization, and pasteurization are described.
Chapter 1 Introduction to Biology
Biology is the science that studies living organisms and life processes. It uses the scientific method and is divided into many branches and fields that overlap, such as botany, zoology, anatomy, and physiology. Understanding biology helps explain how and why living systems function. Modern biology builds on knowledge contributed by biologists over generations and benefits from tools like microscopy, DNA sequencing, and gene cloning. Rapid development in areas like biotechnology and molecular biology characterize 21st century biology.
01 How Do Bacteria Make You Sick.pptx
Bacteria can make you sick by entering your body through cuts, food/water, sexual contact, air, or animal bites. Common bacterial diseases include strep throat, staph infections, and food poisoning. Bacteria are single-celled organisms that are much smaller than human cells and can have different shapes. The human body has defenses against bacteria like the skin, mucus, stomach acids, and immune cells. When infections occur, antibiotics can treat many bacterial infections, but some bacteria are evolving resistance to antibiotics, creating serious issues like MRSA. It is important to always finish all of an antibiotic prescription to avoid furthering bacterial resistance.
Microorganisms.pptx
The document defines microorganisms as microscopic organisms that are either single-celled or multicellular. It describes the major types of microorganisms - bacteria, fungi, protozoa, algae, and viruses. It provides details on viruses, fungi, bacteria, protozoa, and algae. It discusses how disease-causing microorganisms can enter the human body and spread communicable diseases. It also notes that some microorganisms cause diseases in important crops and reduce crop yields.
Introduction to Microbiology
Microbiology is the study of microscopic organisms. The document provides an overview of the topics covered in microbiology including the scope, importance, characteristics, and history of microorganisms. It discusses the early discoveries of microbes through microscopes in the 1600s and 1700s. It also summarizes the theories of spontaneous generation and biogenesis, and how experiments by Pasteur and Koch helped prove that microbes cause disease rather than spontaneous generation.
Bmb 103(Agriultural microbiology)
This document provides an introduction to the field of microbiology. It discusses the following key points in 3 sentences:
1. Microbiology is the study of microorganisms like bacteria, fungi, algae, protozoa, and viruses. Major groups include bacteria, algae, fungi, protozoa, and viruses. Microorganisms play important roles in nature, industries, causing diseases, and more.
2. The discovery of microorganisms began in the 1600s with Anton van Leeuwenhoek's microscope observations of "animalcules". However, microbiology emerged as a science in the late 1800s with advances like germ theory and pure culture techniques.
3. Louis P
Presentation1
This document provides an overview of microbiology and the history of the field. It discusses key topics like the discovery of microorganisms under the microscope in the 1600s and 1700s. Landmark experiments disproving spontaneous generation and establishing the germ theory of disease in the late 1800s are also summarized. The document outlines the development of vaccines, antibiotics like penicillin, and chemotherapy. It provides a brief introduction to different areas of microbiology studied today and concludes by mentioning the role of microbes in human health and disease.
Microbiology
This document provides an overview of microbiology and microorganisms. It defines microbiology as the study of microbes and describes several types of microbes including bacteria, archaea, fungi, protozoa, algae, and viruses. The document also discusses the history of microbiology, highlighting early scientists like van Leeuwenhoek, Redi, Needham, Spallanzani, and Pasteur and their important contributions to proving that spontaneous generation does not occur and that all life arises from preexisting life through biogenesis. It concludes with microbiology becoming firmly established as a science in the late 19th century.
Microorganisms
Microorganisms are microscopic organisms that are either single-celled or exist in cell clusters. They include bacteria, fungi, protozoa, algae, and viruses. Viruses are not considered living but can replicate inside host cells. Many microorganisms cause infectious diseases in humans and other organisms, while some are beneficial like in food production through fermentation. Important discoveries include the first use of a microscope to observe microbes, antibiotics, vaccines, and nitrogen fixation by certain bacteria and algae. Microbial diseases can be communicable and several microbes infect both humans and other animals or plants. Food preservation methods help extend the life of foods by preventing microbial growth.
Microorganisms Freind And Foe
There are four main types of microorganisms: bacteria, fungi, algae, and protozoa. Microorganisms can be beneficial or harmful. They are beneficial in food production like cheese and wine, producing medicines like antibiotics, and increasing soil fertility. However, some microorganisms cause diseases in humans and can be transmitted through carriers like mosquitoes. Food is also spoiled by microorganisms and can be preserved through methods like heating, cooling, drying, salting, sugaring, and packaging.
Topic 1 - What is Biology?
This document provides an introduction to the field of biology. It defines biology as the study of living things and notes that the suffix "-ology" means the study of. It then lists and briefly defines 18 specific areas that biology can be divided into, such as anatomy, bacteriology, cytology, and ecology. It emphasizes that many biology terms are derived from Greek or Latin roots to help determine meaning. Finally, it provides an assignment related to the material covered.
infectious agents
This document discusses the four main classes of infectious agents: bacteria, fungi, viruses, and parasites. It provides details about each type, including their characteristics, examples of diseases they cause, and how they are transmitted. Bacteria are single-celled organisms that can spread through various fluids or surfaces. Fungi are multi-cellular organisms like yeast and mushrooms that typically cause skin or lung infections. Viruses are the smallest and can only replicate inside host cells, spreading through various fluids, aerosols, or vectors. Parasites live in or on another organism and reproduce at their host's expense, with examples including roundworms, protozoa, tapeworms and flukes.
GENERAL BIOLOGY
Biology is the study of life through various lenses including cells, genes, organisms, and their interactions with the environment. It encompasses many subfields like zoology, botany, microbiology and more. All living things need certain resources like food and water, can respond to stimuli, and both impact and depend on the environment.
gen bio
Biology is the study of life through various lenses including cells, genes, organisms, and their interactions with the environment. It encompasses many subfields like zoology, botany, microbiology and more. All living things need certain resources like food and water, can respond to stimuli, and both impact and depend on the environment.
0 introdution to Medical Microbiology
1. The document discusses the field of medical microbiology, including the definition as the study of microorganisms too small to see with the naked eye, such as viruses, bacteria, and fungi.
2. It describes the key research techniques in medical microbiology including microtechnique, aseptic technique, culture technique, and staining technique.
3. The status and developments of medical microbiology are summarized, such as the discovery of new pathogens like HIV and hepatitis viruses, and the direction of further research into pathogenic mechanisms and new treatments.
Similar to Interesting biology facts (20)
More from Ednexa
Physics Measurements Notes for JEE Main 2015
This document discusses the concepts of physical quantities, units, and dimensions in physics. It defines physical quantities as those that can be measured using physical means or apparatus, giving examples like mass, length, and time. Units are defined as standards used to measure physical quantities. Dimensions are used to determine the units of derived quantities by relating them to fundamental quantities and their units using exponents. The document also discusses the S.I. system of units and provides examples of using dimensional analysis to check equations and determine conversion factors between different units.
Important Points on Elasticity for JEE Main 2015
This document discusses the concepts of elasticity including deformation, types of bodies, stress, strain, Hooke's law, Young's modulus, bulk modulus, rigidity modulus, Poisson's ratio, work done and potential energy. It defines key terms like deformation, elastic bodies, plastic bodies, stress as internal restoring force per unit area, strain as the ratio of deformation to original length, Hooke's law stating stress is proportional to strain, and defines the moduli of elasticity, bulk and rigidity. It also discusses thermal stress, determining Young's modulus experimentally, and how rubber differs in exhibiting non-linear stress-strain behavior.
Important points on Gravitation for JEE Main 2015
1. Newton's law of universal gravitation describes the gravitational attraction between two bodies, with the force of attraction directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
2. The acceleration due to gravity at the earth's surface (g) is calculated using the mass of the earth and its radius. The value of g decreases with increasing height or depth from the earth's surface.
3. Kepler's laws describe the motion of planets orbiting the sun, including that planets move in elliptical orbits with the sun at one focus, a line connecting a planet and the sun sweeps out equal areas in equal time intervals, and the square of the orbital periods are
Current Electricity Notes for JEE Main 2015 - Part II
This document describes Whetstone's bridge circuit used to measure an unknown resistance. It notes potential errors from non-uniform wire thickness or contact resistance, and how they can be minimized by taking multiple readings and calculating the average. It also provides the formula to calculate the resistance of a galvanometer used to read the null point in the circuit. Finally, it includes a multiple choice question testing understanding of the equivalent resistance in the Whetstone's bridge circuit.
Aldehydes Ketones and Carboxylic Acids - JEE Main 2015
This document contains 10 multiple choice questions about aldehydes, ketones, and carboxylic acids. The questions cover topics like ketone group placement, carbonyl carbon hybridization, definitions of aldehydes and acetone, IUPAC naming of compounds, and thermal decomposition reactions of calcium salts producing aldehydes. An answer key is provided at the end.
Physics - Current Electricity Notes for JEE Main 2015
Kirchhoff's laws are used to calculate currents and voltages in circuits with multiple branches or energy sources. Kirchhoff's Current Law (KCL) states that the algebraic sum of currents at any node is zero. Kirchhoff's Voltage Law (KVL) states that the algebraic sum of voltages around any closed loop is equal to the sum of the voltage drops and rises along that loop. Both laws are based on the principle of conservation of charge and energy in electric circuits.
Enhancement in Food Production Exercises - MH-CET 2015
The document contains 10 multiple choice questions about plant breeding and the green revolution. It tests knowledge about the objectives of plant breeding including developing varieties that are suitable for cultivation, have better yield, and disease resistance. It also contains questions about improving tolerance for environmental stress factors like drought through breeding. Additional questions cover topics like germplasm collection, increased wheat and rice yields during the green revolution due to semi-dwarf varieties, specific high yielding varieties of wheat and rice developed in India. An answer key is provided at the end.
Properties of Solids and Liquids Notes - JEE Main 2015
1. Interatomic forces are electrical forces between atoms due to electrostatic interactions between their charges. These forces are strongest when atoms are about 10-10 meters apart.
2. Intermolecular forces, also called Van der Waals forces, are weaker electrical forces between molecules due to electrostatic interactions between their charges. These forces are strongest when molecules are about 10-9 meters apart.
3. Both interatomic and intermolecular forces are attractive at normal distances but become repulsive if distances decrease further. The potential energy is lowest at normal distances.
12th Chemistry P-block elements Notes for JEE Main 2015
This document provides information about oxygen and the group 16 elements. It discusses the properties of oxygen and how it differs from other group 16 elements. Some key points include:
- Oxygen exists as a diatomic gas while other group 16 elements form polyatomic solids and liquids.
- Oxygen exhibits different oxidation states and bonding abilities compared to other group 16 elements due to its small size and high electronegativity.
- Common preparation methods for oxygen include thermal decomposition of oxygen-rich salts, metallic oxides, and the reaction of sodium peroxide or potassium permanganate with water.
Organisms and Environment Exercise - MH-CET 2015
i. Carbon dioxide plays a crucial role in global warming by trapping infrared radiation in the atmosphere and increasing temperatures. CO2 levels have increased 50% over the last 50 years due to human activities like burning fossil fuels.
ii. Agrochemicals kill beneficial soil microbes and cause pest resistance, pollution, bioaccumulation of toxic chemicals, and health issues for farmers. Only 15% of chemicals hit targets, while the rest pollutes nearby areas.
iii. The carbon cycle involves the exchange of carbon between the atmosphere, oceans, plants, animals and fossil fuels through photosynthesis, respiration, and the weathering of carbonate rocks. Human activity like burning fossil fuels is greatly interfering with the natural carbon cycle
Communication System Theory for JEE Main 2015
There are three main types of space communication: ground wave propagation, sky wave propagation, and space wave propagation. Ground wave propagation uses low frequencies between 500kHz to 1500kHz for medium wave radio transmission over short distances. Sky wave propagation uses very low and high frequency waves that can reflect off the ionosphere to allow long distance communication. Space wave propagation uses electromagnetic waves between 30MHz to 300MHz that travel directly between transmitting and receiving antennas within line of sight of each other over distances up to 35km. Satellite communication is used to transmit waves beyond 30MHz that cannot be transmitted through other methods. Satellites receive, amplify, and retransmit signals to allow global communication with advantages like long distance coverage and ability to transmit large
Genetic Engineering and Genomics Notes - MH-CET 2015
This document discusses genetic engineering and DNA fingerprinting. It introduces genetic engineering as a technique where desired genes can be cut from one organism and joined to other genes to introduce into other cells. This allows for novel products to be produced. It then discusses DNA fingerprinting, a technique used to identify individuals based on their unique DNA profiles. DNA fingerprinting analyzes variable number tandem repeats, non-coding regions of DNA that differ between individuals and can be used as genetic markers for personal identification. The document outlines the process of DNA fingerprinting, which involves isolating and replicating DNA from a sample, cutting it with restriction enzymes, separating fragments via electrophoresis, transferring to membranes, and using probes to identify location of repeats to create unique
Notes and Important Points on Circular Motion for JEE Main 2015
Motion can be linear, circular, or oscillatory. Circular motion involves a particle moving along the circumference of a circle. The position vector is drawn from the center of the circle to the particle and the angular displacement is the angle traced by the position vector. Angular velocity is the rate of change of the angular displacement with respect to time, while angular acceleration is the rate of change of the angular velocity. Uniform circular motion describes a body moving at a constant linear speed or angular velocity along a circular path.
Notes and Important Points on Electrochemistry - JEE Main 2015
This document provides an introduction to electrochemistry and discusses key concepts such as electrolytes, electrolytic cells, and the preferential discharge theory of electrolysis. Some main points:
1) Electrolytes are substances that undergo decomposition into ions when an electric current is passed through them in solution. Electrolytic cells, also called voltameters, are devices used to carry out electrolysis where electrical energy is converted to chemical energy.
2) During electrolysis, oxidation occurs at the anode where anions are released and reduction occurs at the cathode where cations gain electrons. The preferential discharge theory states that ions with lower discharge potentials will be discharged first at the appropriate electrode.
3) Examples of products formed
Physics Sound and Waves for JEE Main 2015 - Part I
The document discusses different types of motions including translational, rotational, oscillatory, and vibrational motion. It also defines key terms related to oscillations such as period, frequency, amplitude, damped oscillations, and sustained oscillations. Regarding waves, it describes longitudinal and transverse waves, and defines properties such as wavelength, velocity, and how velocity is related to frequency and wavelength. It also provides formulas for calculating the velocity of longitudinal and transverse waves in different media.
Notes and Important Points on Solid State - JEE Main 2015
(1) Graphite is used as a lubricant because its layers can slide over one another when a shearing force is applied. This is due to the weak van der Waals forces between layers consisting of hexagonal carbon networks.
(2) Iron is strongly ferromagnetic because it has four unpaired electrons in its electronic configuration.
(3) Ice is lighter than water because ice has a hexagonal crystal structure with hydrogen bonding that leaves almost half the space vacant, whereas water occupies spaces more closely when ice melts.
Study material 12th Physics - Wave Theory of Light Part II
- The document discusses polarization of light through reflection and refraction. It explains Brewster's law which states that the tangent of the polarizing angle of incidence is equal to the refractive index of the medium.
- Examples of how polaroid materials are used to absorb one polarized ray and transmit the other ray are provided. Common uses of polaroid materials include reducing glare in car headlights, 3D movie cameras, analyzing polarized light, and LCD screens.
Physics in day to day life Notes for JEE Main 2015
Physics principles are present in many everyday activities and technologies. Motion follows Newton's laws of motion. Sound is produced by vocal cord vibrations. Food digestion converts chemical to mechanical energy for work. Electricity in homes comes from hydroelectric projects that convert water's mechanical energy to electrical energy using dynamos. Refrigerators use thermodynamics principles. Pressure cookers, washing machines, music systems, and computers all apply physics concepts. Automobiles, trains, and aircraft rely on physics concepts. Vision works similarly to cameras through physics principles. Writing involves physics properties.
Summarized notes on Interference and Diffraction for JEE Main
The document discusses the principles of interference and diffraction of light waves. It explains the superposition principle, and conditions for constructive and destructive interference. Constructive interference occurs when the path difference between waves is equal to integer multiples of the wavelength, resulting in brighter spots. Destructive interference occurs when the path difference is equal to odd integer multiples of half the wavelength, producing darker bands. Young's experiment is described as demonstrating the interference of light. Methods for measuring the wavelength of light using a biprism and the interference pattern it produces are also outlined.
More from Ednexa (20)
Current Electricity Notes for JEE Main 2015 - Part II
Current Electricity Notes for JEE Main 2015 - Part II
Aldehydes Ketones and Carboxylic Acids - JEE Main 2015
Aldehydes Ketones and Carboxylic Acids - JEE Main 2015
Physics - Current Electricity Notes for JEE Main 2015
Physics - Current Electricity Notes for JEE Main 2015
Enhancement in Food Production Exercises - MH-CET 2015
Enhancement in Food Production Exercises - MH-CET 2015
Properties of Solids and Liquids Notes - JEE Main 2015
Properties of Solids and Liquids Notes - JEE Main 2015
12th Chemistry P-block elements Notes for JEE Main 2015
12th Chemistry P-block elements Notes for JEE Main 2015
Genetic Engineering and Genomics Notes - MH-CET 2015
Genetic Engineering and Genomics Notes - MH-CET 2015
Notes and Important Points on Circular Motion for JEE Main 2015
Notes and Important Points on Circular Motion for JEE Main 2015
Notes and Important Points on Electrochemistry - JEE Main 2015
Notes and Important Points on Electrochemistry - JEE Main 2015
Physics Sound and Waves for JEE Main 2015 - Part I
Physics Sound and Waves for JEE Main 2015 - Part I
Notes and Important Points on Solid State - JEE Main 2015
Notes and Important Points on Solid State - JEE Main 2015
Study material 12th Physics - Wave Theory of Light Part II
Study material 12th Physics - Wave Theory of Light Part II
Physics in day to day life Notes for JEE Main 2015
Physics in day to day life Notes for JEE Main 2015
Summarized notes on Interference and Diffraction for JEE Main
Summarized notes on Interference and Diffraction for JEE Main
Interesting biology facts
- 1. Interesting Biology Facts! Increase your biology knowledge with this great collection of interesting biology facts. 1. The common cold is a type of virus. 2. The first person to see a live cell with a microscope was Antoine van Leeuwenhoek, in 1674. 3. People that study biology are known as biologists. 4. Viruses can be treated with antiviral drugs. 5. Bacteria are extremely small and are made up of just one cell. 6. Bacterial infections can be treated with antibiotics. 7. Moulds , yeasts and mushrooms are types of fungus.
- 2. 8. Animals that eat plants as their primary food source are known as herbivores. 9. Endangered species are those that are in danger of being completely wiped out, they include blue whales, tigers and pandas. Without protection these species may eventually become extinct. 10. When the DNA of an organism changes and results in a new trait (characteristic) it is known as mutation. 11. Ecology is the study of ecosystems and how organisms interact with their environment. 12. While some bacteria can make you sick, others have positive benefits such as helping you digest food or even make yoghurt For more facts, keep on visiting www.ednexa.com Team Ednexa