Lecture 2 - Life Evolved

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6 Terms

1
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What is a population?

A group of individuals of the same species living in the same area at the same time

2
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What is biological fitness?

The ability of an individual to produce surviving, fertile

offspring relative to that ability in other individuals in the

population

3
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What is fitness?

A measurable quantity

4
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What does biological fitness estimate?

Relative fitness by comparing number of surviving offspring

5
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What is adaptation?

A heritable trait that increases an individual's fitness in a

particular environment relative to individuals lacking that

trait

6
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What is selection?

Differential reproduction as a result of heritable variation