1 1) Define the concept of natural selection in your own words, and explain how
ID: 286443 • Letter: 1
Question
1 1) Define the concept of natural selection in your own words, and explain how it follows logically from a few common observations of nature. 2.) Describe an example of evidence for natural selection and an example of evidence for artificial selection. 3.) Define the terms species, population, and community. How does a species differ from a population? How does a population differ from a community? 4.) Can a species undergo exponential growth forever? Explain your answer. 5) Describe how limiting factors affect carrying capacityExplanation / Answer
1. Theory of natural selection is introduced by Charles Darwin, it statesthat only organisms with positive adapatation towards its environment are likely to survive and reproduce, all other organisms are eliminated from that environment.
2. Natural selection: Long neck of Giraffes for eating leaves from big trees in a savanna forest
Artificial selection: a process done by external interventios of humans, to create better plants or animal species.
Humans created differents of dogs species from through in breeding of Grey wolfs.
3.
A species is group of similar type organisms, with almost similar DNAs and individuals can reproduce through fertile ofsprin
population : a group of organism which belongs to same species living in a common space.
community: A group of organism belonging to different species ,interacting which each other.
4. Chances of a species to undergo exponential growth forever is never possible, because i real world, resources are a finite quantity, like air, water, space and food. Therefore, if a species continue to grow at an exponetial rate, all avilable Resouces will be consumed and species will become extinct.
5. Carrying capacity: Capacity of a habitat or ecosystem interms of number of individuals it can sustain.
Limiting factor: All factors like, abiotic, biotic etc which has a direct influence on carrying capacity.
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