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You Are at a Class Reunion and Someone Asks,"Do You

question 78

Multiple Choice

You are at a class reunion and someone asks,"Do you remember me? It's John." You then remember the classes you had with John,the things you did when you hung out together,and that you liked his sister.This is an example of ________________.


Definitions:

Genetic Drift

A mechanism of evolution that involves random changes in the gene frequencies of a population over time.

Population Size

The total number of individuals within a species that occupy a particular geographic area.

Genetic Drift

A mechanism of evolution that causes allele frequencies within a population to change randomly with time due to chance events.

Natural Selection

A process by which species evolve over time as individuals with traits more suited to their environment are more likely to survive and reproduce.

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