Living Things
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The document discusses the seven key characteristics of living things: 1) cellular organization; 2) reproduction; 3) metabolism; 4) homeostasis; 5) heredity; 6) evolution; and 7) interdependence. It provides examples of how different organisms exhibit these characteristics, such as how bacteria can reproduce every 15 minutes or how the Australian frilled dragon maintains homeostasis. The document also notes that all living things must possess all seven of these characteristics.
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Living things are made up of cells, reproduce by sexual or asexual means, and store genetic information in DNA. They grow and develop over time by obtaining and using energy, responding to their environment, and maintaining homeostasis. While individual organisms do not change over their lifetime, groups of organisms evolve over many generations through the passing on of traits from parents to offspring.
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The document discusses the key characteristics of life, which include organization, metabolism, growth and development, response to stimuli, adaptation, and reproduction. It provides examples of each characteristic, such as how organisms are organized at the cellular level, how metabolism provides energy for life processes, how organisms adapt to their environments, and how both sexual and asexual reproduction allow new individuals to be produced. The most important characteristic for survival is the ability to adapt to environmental changes and challenges.
1 3 v2
The document discusses the key characteristics of living things. It states that all living things are made of cells, can reproduce, grow and develop, obtain and use energy, respond to their environment, and maintain internal balance. It also notes that living things are based on a universal genetic code and change over time through evolution. The document provides examples and further explanations for each of these characteristics of life.
Structure and function in living things
This document provides information about the structure and function of cells and organisms. It discusses the basic components of plant and animal cells, including the cell membrane, cytoplasm, and nucleus. It explains that different types of cells work together in groups and as parts of tissues and organs to perform specialized functions. The document also summarizes the key characteristics of the five groups of vertebrates - mammals, birds, fish, amphibians, and reptiles - including defining features like body temperature regulation, reproduction methods, and habitat preferences.
L2 - CHARACTERISTICS OF LIFE.pptx
1. Life is organized in a hierarchy from atoms to ecosystems and exhibits key characteristics including requiring energy, maintaining internal stability, reproducing, growing, and evolving over time.
2. Organisms are categorized as producers, consumers, or decomposers based on their energy sources; producers like plants capture energy from the sun while consumers obtain energy by eating other organisms or dead matter.
3. Reproduction allows organisms to produce offspring that are similar to the parents, transmitting genetic information between generations either asexually through cloning or sexually through combining genetic material.
Characteristics of living things
This document outlines the key characteristics of living things:
1) All living things are made of cells and use the same basic elements of carbon, hydrogen, nitrogen, and oxygen.
2) Living things are organized in complex hierarchies from molecules to cells to tissues and organs.
3) Common characteristics include the ability to reproduce, grow, develop and change over time, respond to their environment, maintain homeostasis, obtain and use energy, and pass genetic information between generations.
6th Grade Chapter 2
This document provides an overview of the key characteristics that define living things. It discusses the five traits of life - response, movement, organization, reproduction, and growth/development. It also outlines the basic needs of living things like energy, water, oxygen, and minerals. Furthermore, it describes how living things are classified into six kingdoms - Archaebacteria, Eubacteria, Protists, Fungi, Plants, and Animals. Finally, it discusses viruses and how they differ from living things by being unable to grow or reproduce without a host cell.
G6 - COLT.pptx
This document outlines the key characteristics of living things: cellular organization, reproduction, genetic control, growth, metabolism, sensitivity, and adaptation. It defines each characteristic and provides examples. All living things are made up of cells that are organized into tissues, organs, and organ systems. They reproduce, undergo genetic inheritance, grow in size, metabolize food through respiration, adapt to their environments, and are able to move and respond to stimuli.
Igcse biology notes gooood
The document provides information about biology concepts covered in the IGCSE curriculum. It discusses the seven characteristics of living things - movement, respiration, sensitivity, growth, reproduction, excretion and nutrition. It also covers classification of organisms, cell structure, diffusion, osmosis and active transport, enzymes, and nutrition and digestion. The levels of classification from kingdom to species are described. The structures and functions of animal and plant cells and specialized cells are outlined.
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Characteristics-of-Life in the human association.pdf
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Animalphylum
The document summarizes several animal phyla including poriferans (sponges), cnidarians (jellyfish and corals), platyhelmins (flatworms), nematodes (roundworms), mollusks (clams and squid), annelids (segmented worms), arthropods (insects and crustaceans), and echinoderms (sea stars and sea urchins). It provides key characteristics for each phylum such as their body structure, digestive system, circulatory system, symmetry, and major examples of animals within each group.
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The document discusses different types of transport across the cell membrane, including diffusion, osmosis, facilitated diffusion, active transport, and endocytosis. Diffusion and osmosis are passive transport mechanisms that do not require energy, while active transport and endocytosis are active processes that cells carry out by expending energy. Osmosis specifically refers to the diffusion of water across the membrane from high to low concentration areas.
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Cell reproduction occurs through binary fission in prokaryotes, producing identical offspring, while eukaryotes undergo more complex processes of mitosis and meiosis. Mitosis involves DNA replication followed by nuclear and cellular division, producing two identical daughter cells with the same number of chromosomes. Meiosis involves two cell divisions that reduce the chromosome number by half, producing four haploid sex cells with one set of chromosomes.
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Cell reproduction can occur through mitosis or meiosis. Mitosis produces two identical daughter cells from one parent cell and maintains the chromosome number. Meiosis produces gametes like sperm or egg cells that have half the chromosome number of body cells through two cell divisions, reducing the chromosome number to create genetically unique offspring. The human body normally contains 46 chromosomes in pairs in each cell while gametes contain only 23 single chromosomes.
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The document discusses the classification of organisms into a scientific hierarchy and how biologists determine evolutionary relationships. It describes Carl Linnaeus' development of binomial nomenclature, the modern scientific classification system with eight levels from domain to species. Biologists use shared characteristics to classify organisms, like the honeybee which is classified into the categories of Eukarya down to Apis mellifera.
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Plants have evolved several key adaptations for living on land, including the ability to absorb nutrients from soil, prevent water loss through structures like the cuticle and stomata, and reproduce without water using pollen. Vascular plants have tissues that transport water and developed seeds, flowers, and other structures that make reproduction more efficient. Plants are divided into nonvascular plants like mosses and vascular plants like ferns, gymnosperms, and angiosperms. Angiosperms are the most abundant group and are further divided into monocots and dicots.
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The document introduces the different branches of biology:
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3) The multicellular level analyzes the anatomy, behavior, and physiology of multicellular organisms like plants and animals.
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- In the early 1950s, Rosalind Franklin and Maurice Wilkins used X-ray crystallography to determine the basic structure of DNA. In 1953, James Watson and Francis Crick used evidence from other scientists to determine that DNA has a double helix structure with nucleotides as monomers.
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The document discusses the cell theory and structure and functions of eukaryotic cells. It describes how Hooke, Leeuwenhoek, Brown, Schleiden, and Schwann made discoveries that led to the cell theory that all living things are composed of cells, cells are the basic unit of structure and function, and all cells come from preexisting cells. It then explains the structures and functions of organelles like the nucleus, mitochondria, chloroplasts, and describes how cells are organized into tissues, organs and organ systems.
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Rosalind Franklin and Maurice Wilkins discovered the basic structure of DNA through X-ray diffraction images in 1950. In 1953, Watson and Crick used this evidence along with other research to determine that DNA has a double helix structure with nucleotides as monomers. DNA replicates through the unwinding of the double helix, exposing the nucleotides to pair with free floating nucleotides in the cell to form two identical DNA molecules.
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Living Things
- 1. Characteristics of Living Things
- 3. Lets think about what it means to be alive! Characteristics must include ALL living things Living things MUST have all 7 characteristics
- 4. Characteristics of Living Things Cellular Organization Living things are made of one or more cells
- 11. Characteristics of Living Things Homeostasis Maintain stable internal environment!
- 14. Characteristics of Living Things Heredity pass traits to their offspring through genes!
- 16. Characteristics of Living Things Evolution Organisms change over long periods of time
- 17. Evolution A species is group of organism that can mate exclusively with each other and produce offspring.
- 18. Interdependence Organisms in a community live and interact with other organisms.
- 19. Interdependence Community – a group of organisms in a system that interact with each other.
- 21. Characteristics of Living Things Made of Cells All living things made of one or more cells.