Types of reproduction & cuttings
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Information on types of reproduction and the process of plant cloning via cuttings and tissue culture. For AQA GCSE Science/Biology
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How do organisms reproduce (CBSE -X)
Key Points:
Reproduction
Needs
Types (Asexual & Sexual)
Types and process of asexual reproduction
Vegetative propagation
Sexual reproduction
Sexual reproduction in flowering plants
Types of flower
Structure of flower
Pollination & Its types
Fertilization in flowering plants
Reproduction in human
Male reproductive system
Female reproductive system
Menstruation
Reproductive health
Asexual and sexual reproduction
Sexual reproduction involves two parents and results in offspring that are a genetic mix of both parents, while asexual reproduction involves only one parent and produces offspring that are genetically identical. Sexual reproduction uses specialized sex cells called gametes, takes more time and energy but produces variation, while asexual reproduction is quicker but limits adaptation. Whether sexual or asexual reproduction is better depends on the environment - asexual reproduction quickly populates a stable environment while sexual reproduction enables adaptation to a changing environment.
Ch 4.1 & 4.2 reproduction comparison
This document summarizes and compares sexual and asexual reproduction. Sexual reproduction involves two parents and results in offspring that are genetically unique combinations of both parents. Asexual reproduction involves one parent and results in offspring that are genetically identical copies. There are six types of asexual reproduction: fission, mitotic cell division, budding, regeneration, vegetative reproduction, and cloning.
Asexual vs Sexual Reproduction
Here is a Venn diagram comparing asexual and sexual reproduction:
Number of parents
DNA of offspring
Asexual Sexual
One parent Two parents
Identical DNA Varied DNA
No variation Genetic variation
Rapid growth Requires more energy
Asexual vs sexual reproduction
This document discusses and compares asexual and sexual reproduction. Asexual reproduction involves only one parent and results in offspring that are identical to the parent with no variation. Sexual reproduction involves two parents and results in offspring that are different from the parents and each other, providing better chances of survival in a changing environment. Examples of organisms that use sexual reproduction include many animals and plants, while bacteria can reproduce asexually through binary fission.
Asexual vs sexual
Sexual reproduction involves the combination of genetic material from two parent organisms, while asexual reproduction involves only one parent. There are advantages and disadvantages to both methods of reproduction. Sexual reproduction results in offspring with genetic variation due to combinations of parents' genes, allowing populations to adapt, but requires finding a mate. Asexual reproduction is simpler but produces identical offspring, risking the elimination of a whole population if the environment changes.
Asexual vs. Sexual Reproduction
There are two main types of reproduction: asexual reproduction which involves one parent and results in offspring that are genetically identical; and sexual reproduction which involves two parents and increases genetic diversity in offspring through meiosis and fertilization. Some common asexual reproduction methods include binary fission in prokaryotes, fragmentation and regeneration in fungi and plants, and budding in yeasts and hydras. Sexual reproduction, the primary method for most complex organisms, requires pollination to deliver pollen for fertilization of flowering plants.
L.HE.M.2 Asexual vs Sexual Reproduction
Sexual and asexual reproduction have advantages and disadvantages. Asexual reproduction involves a single parent and produces offspring that are genetically identical. Methods include fission, budding, fragmentation, and vegetative propagation. This allows for rapid reproduction but lacks genetic variation. Sexual reproduction combines genetic material from two parents into offspring. It produces diverse offspring but requires more time and energy to find a mate. Genetic variation provides advantages for adaptation and selective breeding but can also introduce negative traits. Gestation periods can impact endangered species if deaths exceed births.
Recommended
How do organisms reproduce (CBSE -X)
Key Points:
Reproduction
Needs
Types (Asexual & Sexual)
Types and process of asexual reproduction
Vegetative propagation
Sexual reproduction
Sexual reproduction in flowering plants
Types of flower
Structure of flower
Pollination & Its types
Fertilization in flowering plants
Reproduction in human
Male reproductive system
Female reproductive system
Menstruation
Reproductive health
Asexual and sexual reproduction
Sexual reproduction involves two parents and results in offspring that are a genetic mix of both parents, while asexual reproduction involves only one parent and produces offspring that are genetically identical. Sexual reproduction uses specialized sex cells called gametes, takes more time and energy but produces variation, while asexual reproduction is quicker but limits adaptation. Whether sexual or asexual reproduction is better depends on the environment - asexual reproduction quickly populates a stable environment while sexual reproduction enables adaptation to a changing environment.
Ch 4.1 & 4.2 reproduction comparison
This document summarizes and compares sexual and asexual reproduction. Sexual reproduction involves two parents and results in offspring that are genetically unique combinations of both parents. Asexual reproduction involves one parent and results in offspring that are genetically identical copies. There are six types of asexual reproduction: fission, mitotic cell division, budding, regeneration, vegetative reproduction, and cloning.
Asexual vs Sexual Reproduction
Here is a Venn diagram comparing asexual and sexual reproduction:
Number of parents
DNA of offspring
Asexual Sexual
One parent Two parents
Identical DNA Varied DNA
No variation Genetic variation
Rapid growth Requires more energy
Asexual vs sexual reproduction
This document discusses and compares asexual and sexual reproduction. Asexual reproduction involves only one parent and results in offspring that are identical to the parent with no variation. Sexual reproduction involves two parents and results in offspring that are different from the parents and each other, providing better chances of survival in a changing environment. Examples of organisms that use sexual reproduction include many animals and plants, while bacteria can reproduce asexually through binary fission.
Asexual vs sexual
Sexual reproduction involves the combination of genetic material from two parent organisms, while asexual reproduction involves only one parent. There are advantages and disadvantages to both methods of reproduction. Sexual reproduction results in offspring with genetic variation due to combinations of parents' genes, allowing populations to adapt, but requires finding a mate. Asexual reproduction is simpler but produces identical offspring, risking the elimination of a whole population if the environment changes.
Asexual vs. Sexual Reproduction
There are two main types of reproduction: asexual reproduction which involves one parent and results in offspring that are genetically identical; and sexual reproduction which involves two parents and increases genetic diversity in offspring through meiosis and fertilization. Some common asexual reproduction methods include binary fission in prokaryotes, fragmentation and regeneration in fungi and plants, and budding in yeasts and hydras. Sexual reproduction, the primary method for most complex organisms, requires pollination to deliver pollen for fertilization of flowering plants.
L.HE.M.2 Asexual vs Sexual Reproduction
Sexual and asexual reproduction have advantages and disadvantages. Asexual reproduction involves a single parent and produces offspring that are genetically identical. Methods include fission, budding, fragmentation, and vegetative propagation. This allows for rapid reproduction but lacks genetic variation. Sexual reproduction combines genetic material from two parents into offspring. It produces diverse offspring but requires more time and energy to find a mate. Genetic variation provides advantages for adaptation and selective breeding but can also introduce negative traits. Gestation periods can impact endangered species if deaths exceed births.
Sexual versus asexual reproduction
This slideshow was created as a seventh-grade example of what a student might accomplish to give a presentation to the class or group of kids about sexual and asexual reproduction.
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This document provides an overview of sexual and asexual reproduction. It defines key terms like meiosis, mitosis, gametes and fertilization. It describes several methods of asexual reproduction like binary fission, budding, regeneration and parthenogenesis. Advantages of asexual reproduction include not needing a mate and producing large numbers quickly, while disadvantages include inability to adapt to changes. Sexual reproduction generates genetic variation through meiosis and fertilization, allowing adaptation but requiring more time and energy to find a mate.
Introduction to sexual reproduction
Human reproduction involves the fusion of both sperm and egg through a process called fertilization. It is a type of sexual reproduction that requires two parents and produces offspring that are not identical to the parents. Sexual reproduction first involves the production of sex cells, such as sperm and eggs, by the parents which then fuse during fertilization to create a new organism, unlike asexual reproduction which requires only one parent and produces offspring identical to that parent.
Asexual vs Sexual Reproduction
Asexual reproduction involves a single parent and produces offspring that are genetically identical clones through cell division or budding. It is fast but leaves no genetic variation, so all offspring could be vulnerable to the same diseases. Sexual reproduction involves two parents who produce gametes through meiosis that combine to create genetically unique offspring, introducing variation but taking more time and energy.
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The document discusses different types of reproduction including sexual reproduction which involves two parents combining genetic material to produce offspring, asexual reproduction which involves one parent producing genetically identical offspring, and specific asexual reproduction methods like binary fission, budding, and vegetative propagation. It asks the essential question of how sexual and asexual reproduction are the same and different.
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This document compares asexual and sexual reproduction. Asexual reproduction involves one parent producing offspring that are identical to itself. It occurs in plants, bacteria, protists and some invertebrates. The offspring have no variation and less chance of survival. Sexual reproduction involves two parents producing offspring that are a combination of both parents, making them unique. This provides variation and ability to adapt to environmental changes, but requires finding a mate and takes longer.
Reproduction pvms[1]
The document discusses different types of reproduction. Sexual reproduction involves two parents combining genetic material to produce offspring, while asexual reproduction involves one parent producing genetically identical offspring. Sexual reproduction in animals involves the male sperm fertilizing the female egg, and in plants involves pollen fertilizing the ovum. Asexual reproduction can occur through binary fission, budding, or vegetative propagation. The document aims to explain the differences between sexual and asexual reproduction.
Reproduction pvms
The document discusses different types of reproduction. Sexual reproduction involves two parents combining genetic material to produce offspring, while asexual reproduction involves one parent producing genetically identical offspring. Sexual reproduction in animals involves the male sperm fertilizing the female egg, and in plants involves pollen fertilizing the ovum. Asexual reproduction can occur through binary fission, budding, or vegetative propagation. The document aims to explain the differences between sexual and asexual reproduction.
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This document describes different types of asexual reproduction and cloning. It outlines 5 types of asexual reproduction including binary fission, budding, fragmentation, vegetative reproduction, and spore formation. The advantages and disadvantages of asexual reproduction are provided. The document also describes the processes of reproductive cloning and therapeutic cloning. Reproductive cloning aims to create an identical genetic copy of an organism, while therapeutic cloning uses stem cells to generate tissues and organs for transplantation.
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Reproduction is the process by which living organisms create new organisms of the same kind. Different organisms reproduce in different ways - humans reproduce sexually and provide children with needs like food, shelter, affection and education as they go through life stages, some plants reproduce through spores that grow into new plants without seeds, and animals also reproduce in various ways.
Asexual vs. sexual_reproduction
There are two main types of reproduction: asexual reproduction which involves one parent and results in offspring that are genetically identical; and sexual reproduction which involves two parents and increases genetic diversity in offspring through meiosis and fertilization. Some common asexual reproduction methods include binary fission in prokaryotes, fragmentation and regeneration in fungi and plants, and budding in yeasts and hydras. Sexual reproduction, the primary method for most complex organisms, requires pollination to deliver pollen for fertilization in flowering plants.
Asexual and sexual reproduction
this is about a topic which is very important for the students in 8th class and all should concerntrate on this topic and for plants i have made a good explanation in a better way for you.i will wait for your comments in this topic see you soon .after seeing the ppt please try to make another ppt for your better understanding.
Reproduction pvms noanimations
Sexual reproduction involves two parents where offspring receive genetic material from both, while asexual reproduction involves one parent where offspring are genetically identical. Sexual reproduction in animals occurs through the fusion of an ovum and sperm and in plants through the fusion of an ovum and pollen. Asexual reproduction occurs through binary fission in bacteria, budding in hydra and sponges, and vegetative propagation in some plants which can regenerate lost parts.
Reproduction pvms
Sexual reproduction involves two parents combining genetic material to produce offspring, while asexual reproduction involves one parent producing genetically identical offspring. Sexual reproduction occurs through the fusion of male and female gametes in animals and plants. Asexual reproduction can happen through binary fission in bacteria, budding in hydra and sponges, or vegetative propagation in plants.
Asexualvssexualreproduction 170311025030
While asexual reproduction only involves one organism, sexual reproduction requires both a male and a female. Some plants and unicellular organisms reproduce asexually. Most mammals and fish use sexual reproduction. Some organisms like corals and komodo dragons can reproduce either sexually or asexually. But in the long term (over several generations), lack of sexual reproduction compromises their ability to adapt to the environment because they do not benefit from the genetic variation introduced by sexual reproduction.
Sexual reproduction
Sexual reproduction involves the combination of genetic material from two individuals to create offspring. It is the dominant life cycle for eukaryotes like animals and plants. The genetic material is contained in specialized sex cells called gametes, which are sperm in males and eggs in females. Fertilization occurs when the gametes join, forming a zygote with half the DNA from each parent. Sexual reproduction can involve internal or external fertilization and results in offspring that share traits with both parents but are not identical to either.
IGCSE Biology - Sexual and Asexual Reproduction
This document is a PowerPoint presentation about sexual and asexual reproduction in humans. It defines sexual reproduction as involving the fusion of male and female gametes through fertilization to form a zygote. Asexual reproduction occurs through mitosis, where cells divide to form genetically identical offspring. The presentation describes the processes of meiosis in gamete formation and mitosis in embryo development. It compares the key differences between sexual and asexual reproduction.
Asexual vs Sexual Reproduction.pptx
This document compares and contrasts sexual and asexual reproduction. Sexual reproduction involves the combination of genetic material from two parent cells to form offspring that are genetically diverse. Asexual reproduction involves one parent and produces offspring that are genetically uniform or identical to the parent. Some examples of asexual reproduction include binary fission, budding, vegetative propagation, and spore formation. Sexual reproduction provides genetic variation that allows populations to adapt, while asexual reproduction allows for rapid reproduction without the need for finding a mate but results in less genetic diversity.
sexual and asexual reproduction-'22-'23.pptx
This document outlines the learning objectives, content, and assessment for a science lesson on reproduction. The lesson will define and describe asexual and sexual reproduction, compare and contrast the two types, and have students complete tasks demonstrating their understanding. It provides examples and diagrams of different asexual reproduction methods like binary fission, budding, and spore formation in various organisms. It also explains sexual reproduction, showing the process in animals and plants. The document discusses advantages and disadvantages of each type of reproduction and has a post-assessment multiple choice quiz for students.
Asexual reproduction, reproduction in organisms, neet biology
Life span refers to the period from birth to natural death of an organism. Reproduction allows organisms to produce offspring similar to themselves. There are two types of reproduction: asexual, which involves a single parent, and sexual, which involves two parents of opposite sex fusing gametes. Asexual reproduction results in offspring that are identical clones of the parent and allows for rapid propagation of organisms.
asexualvssexualreproduction-130412204720-phpapp02.pdf
This document compares asexual and sexual reproduction. Asexual reproduction involves one parent producing offspring that are genetically identical. The main types of asexual reproduction are binary fission, budding, vegetative propagation, and regeneration. Sexual reproduction requires two parents and produces offspring with genetic variation by combining the parents' DNA. Sexual reproduction results in more diversity among offspring while asexual reproduction preserves the parent's exact DNA.
Std10 Ch12-Life-cycle
Sexual reproduction involves the fusion of two gametes - one male and one female. In plants, this occurs through pollination where pollen is transferred from the anther to the stigma, and fertilization where the pollen tube delivers sperm to fuse with the egg. This restores the chromosome number and produces offspring that are genetically different from the parents, allowing for beneficial variations that help species adapt and survive changing environments. Asexual reproduction only involves one parent and mitosis, resulting in genetically identical offspring but lacks variations. Both modes are important - sexual reproduction for variations and asexual for rapid reproduction.
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This document provides an overview of sexual and asexual reproduction. It defines key terms like meiosis, mitosis, gametes and fertilization. It describes several methods of asexual reproduction like binary fission, budding, regeneration and parthenogenesis. Advantages of asexual reproduction include not needing a mate and producing large numbers quickly, while disadvantages include inability to adapt to changes. Sexual reproduction generates genetic variation through meiosis and fertilization, allowing adaptation but requiring more time and energy to find a mate.
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Human reproduction involves the fusion of both sperm and egg through a process called fertilization. It is a type of sexual reproduction that requires two parents and produces offspring that are not identical to the parents. Sexual reproduction first involves the production of sex cells, such as sperm and eggs, by the parents which then fuse during fertilization to create a new organism, unlike asexual reproduction which requires only one parent and produces offspring identical to that parent.
Asexual vs Sexual Reproduction
Asexual reproduction involves a single parent and produces offspring that are genetically identical clones through cell division or budding. It is fast but leaves no genetic variation, so all offspring could be vulnerable to the same diseases. Sexual reproduction involves two parents who produce gametes through meiosis that combine to create genetically unique offspring, introducing variation but taking more time and energy.
Reproduction pvms
The document discusses different types of reproduction including sexual reproduction which involves two parents combining genetic material to produce offspring, asexual reproduction which involves one parent producing genetically identical offspring, and specific asexual reproduction methods like binary fission, budding, and vegetative propagation. It asks the essential question of how sexual and asexual reproduction are the same and different.
asexual and-sexual_reproduction
This document compares asexual and sexual reproduction. Asexual reproduction involves one parent producing offspring that are identical to itself. It occurs in plants, bacteria, protists and some invertebrates. The offspring have no variation and less chance of survival. Sexual reproduction involves two parents producing offspring that are a combination of both parents, making them unique. This provides variation and ability to adapt to environmental changes, but requires finding a mate and takes longer.
Reproduction pvms[1]
The document discusses different types of reproduction. Sexual reproduction involves two parents combining genetic material to produce offspring, while asexual reproduction involves one parent producing genetically identical offspring. Sexual reproduction in animals involves the male sperm fertilizing the female egg, and in plants involves pollen fertilizing the ovum. Asexual reproduction can occur through binary fission, budding, or vegetative propagation. The document aims to explain the differences between sexual and asexual reproduction.
Reproduction pvms
The document discusses different types of reproduction. Sexual reproduction involves two parents combining genetic material to produce offspring, while asexual reproduction involves one parent producing genetically identical offspring. Sexual reproduction in animals involves the male sperm fertilizing the female egg, and in plants involves pollen fertilizing the ovum. Asexual reproduction can occur through binary fission, budding, or vegetative propagation. The document aims to explain the differences between sexual and asexual reproduction.
5ef asexual reproduction
This document describes different types of asexual reproduction and cloning. It outlines 5 types of asexual reproduction including binary fission, budding, fragmentation, vegetative reproduction, and spore formation. The advantages and disadvantages of asexual reproduction are provided. The document also describes the processes of reproductive cloning and therapeutic cloning. Reproductive cloning aims to create an identical genetic copy of an organism, while therapeutic cloning uses stem cells to generate tissues and organs for transplantation.
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Reproduction is the process by which living organisms create new organisms of the same kind. Different organisms reproduce in different ways - humans reproduce sexually and provide children with needs like food, shelter, affection and education as they go through life stages, some plants reproduce through spores that grow into new plants without seeds, and animals also reproduce in various ways.
Asexual vs. sexual_reproduction
There are two main types of reproduction: asexual reproduction which involves one parent and results in offspring that are genetically identical; and sexual reproduction which involves two parents and increases genetic diversity in offspring through meiosis and fertilization. Some common asexual reproduction methods include binary fission in prokaryotes, fragmentation and regeneration in fungi and plants, and budding in yeasts and hydras. Sexual reproduction, the primary method for most complex organisms, requires pollination to deliver pollen for fertilization in flowering plants.
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this is about a topic which is very important for the students in 8th class and all should concerntrate on this topic and for plants i have made a good explanation in a better way for you.i will wait for your comments in this topic see you soon .after seeing the ppt please try to make another ppt for your better understanding.
Reproduction pvms noanimations
Sexual reproduction involves two parents where offspring receive genetic material from both, while asexual reproduction involves one parent where offspring are genetically identical. Sexual reproduction in animals occurs through the fusion of an ovum and sperm and in plants through the fusion of an ovum and pollen. Asexual reproduction occurs through binary fission in bacteria, budding in hydra and sponges, and vegetative propagation in some plants which can regenerate lost parts.
Reproduction pvms
Sexual reproduction involves two parents combining genetic material to produce offspring, while asexual reproduction involves one parent producing genetically identical offspring. Sexual reproduction occurs through the fusion of male and female gametes in animals and plants. Asexual reproduction can happen through binary fission in bacteria, budding in hydra and sponges, or vegetative propagation in plants.
Asexualvssexualreproduction 170311025030
While asexual reproduction only involves one organism, sexual reproduction requires both a male and a female. Some plants and unicellular organisms reproduce asexually. Most mammals and fish use sexual reproduction. Some organisms like corals and komodo dragons can reproduce either sexually or asexually. But in the long term (over several generations), lack of sexual reproduction compromises their ability to adapt to the environment because they do not benefit from the genetic variation introduced by sexual reproduction.
Sexual reproduction
Sexual reproduction involves the combination of genetic material from two individuals to create offspring. It is the dominant life cycle for eukaryotes like animals and plants. The genetic material is contained in specialized sex cells called gametes, which are sperm in males and eggs in females. Fertilization occurs when the gametes join, forming a zygote with half the DNA from each parent. Sexual reproduction can involve internal or external fertilization and results in offspring that share traits with both parents but are not identical to either.
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This document is a PowerPoint presentation about sexual and asexual reproduction in humans. It defines sexual reproduction as involving the fusion of male and female gametes through fertilization to form a zygote. Asexual reproduction occurs through mitosis, where cells divide to form genetically identical offspring. The presentation describes the processes of meiosis in gamete formation and mitosis in embryo development. It compares the key differences between sexual and asexual reproduction.
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Sexual reproduction involves the fusion of two gametes - one male and one female. In plants, this occurs through pollination where pollen is transferred from the anther to the stigma, and fertilization where the pollen tube delivers sperm to fuse with the egg. This restores the chromosome number and produces offspring that are genetically different from the parents, allowing for beneficial variations that help species adapt and survive changing environments. Asexual reproduction only involves one parent and mitosis, resulting in genetically identical offspring but lacks variations. Both modes are important - sexual reproduction for variations and asexual for rapid reproduction.
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Vegetative propagation is a form of asexual reproduction used by plants. It involves propagating new plants from fragments of the parent plant, such as through cuttings, runners, or bulbs. Some key advantages of vegetative propagation include that it allows for the rapid production of genetically identical plants, guarantees the transmission of desired characteristics to offspring, and is useful for commercial agriculture and horticulture as it can mass produce desirable varieties of crops or ornamental plants. However, it provides no genetic variation and thus plants may be more susceptible to diseases and pests in changing environments.
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This document provides instructions for students completing an Individual Science Assessment (ISA) on photosynthesis and limiting factors. It outlines the schedule, which includes two candidate research lessons, one homework, an exam on Section 1 and drawing a table, a practical exam and drawing a graph, and an exam on Section 2. It provides templates for students to develop the context, hypothesis, methods, equipment, risk assessment, and references for their investigation into how limiting factors affect photosynthesis in tomato plants grown in greenhouses.
Lesson 9 solutions and solubility
This document discusses solutions and solubility. It aims to explain the properties of solutions using particle theory. It introduces key terms like solution, solvent, and solute. It poses questions about how adding solutes like peas, rice, ethanol, salt, polystyrene, and acetone to solvents like water affects the final volume. It also mentions the densities of cola cans and assigns homework to complete a formative assessment on solutions and solubility.
8E circulation posters
Circulation is the process where the heart pumps blood around the body through arteries and veins, providing oxygen and nutrients to tissues. The heart is a muscle that acts as the pump. Capillaries are the smallest blood vessels that deliver oxygen and nutrients to tissues. Arteries carry oxygenated blood away from the heart while veins return deoxygenated blood back to the heart.
Organisms and their_environment[1]
The document discusses several physical factors that can affect the distribution of organisms, including temperature, light availability, and availability of oxygen, carbon dioxide, water, and nutrients. It explains how each of these factors impact organisms - for example, that temperature affects metabolism, plants require light for photosynthesis, and all organisms need water. The document also introduces the concept of an organism's niche as the set of conditions it is suited to survive in.
Revision questions 10 xa
1) Statins are drugs that lower cholesterol levels in the bloodstream and prevent its buildup in arteries, reducing the risk of cardiovascular diseases like heart attacks and strokes.
2) Statins work by inhibiting the liver's production of cholesterol and lowering the amount of cholesterol in the bloodstream. They are most effective when taken alongside a healthy, low-fat diet.
3) While statins can help reduce premature deaths from cardiovascular diseases, some argue they may encourage unhealthy eating habits. Potential side effects like liver damage and muscle problems are also a concern.
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"Learn about all the ways Walmart supports nonprofit organizations.
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The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
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LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
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Types of reproduction & cuttings
- 1. 14/01/2013 Objectives: Reproduction Be able to… • Explain the difference between sexual reproduction and asexual reproduction • Define the terms ‘variation’ and ‘clone’ • Recall that plants can be cloned by taking a cutting
- 2. Sexual reproduction recap… • Genes from two parents are combined to produce an organism with a unique genetic code • Sexual reproduction produces variation within a species • Most animals and many plants reproduce sexually
- 3. Asexual reproduction • A single organism makes a copy of itself with exactly the same genetic code – the new organism is a clone of the original • There is no fusion of gametes, and no variation • Enables an organism to quickly populate a new habitat • Makes sure successful characteristics are passed on • Organisms that reproduce asexually include: Spider plants, strawberries, potatoes Bacteria and yeast Some insects such as aphids
- 5. Advantages and disadvantages Sexual reproduction Asexual reproduction Genetic variation – offspring Offspring are genetically can adapt and evolve (increased identical – good when the parent chances of survival) is well adapted Slower than asexual (more Quick – bacteria can produce stages involved) offspring in 20 mins Energy and time is used up All faulty genetic material is competing for a mate passed on
- 6. Cuttings • How it’s done: • Why it’s done: How it’s done: A branch is cut off the parent plant The leaves are cut off and the stem is planted in compost The cutting is kept moist and warm and roots develop in a few weeks Why it’s done: Simple way to produce clones of plants cheaply
- 7. Tissue culture • How it’s done: 1. Cells taken from parent plant and transferred to a petri dish. 2. Plant hormones are added and the cells divide. 3. More hormones stimulate root and stem growth. 4. The plantlets are transferring into potting trays where they develop into plants. • Why it’s done: Clones can be mass produced quickly
- 8. True or false? Work in pairs… 1. There is only one type of reproduction 2. Sexual reproduction produces variety 3. Clones are produced from sexual reproduction 4. Clones are genetically identical 5. Plants can reproduce by sexually and asexually 6. Gamete are involved in asexual reproduction 7. Sperm and egg cells are gametes