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ESCI Lecture 1

Terms in this set (3)

descent with modification from a common ancestor

natural selection

1. Individuals within populations of the same species exhibit natural variability
2. Some of the traits that make up this variability are passed on to offspring
3. In every genera.on, more offspring are produced than can survive to reproduce.
4. Valuable traits are passed down
5. Natural selection results in a change in the genetic makeup of a population over time and the adaptations of a population to certain conditions

requirements for natural selection

•Reproduction •Variation (mutation) •Heritability •Susceptibility to factors that lead to differential birth rate

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