Question 1

(Multiple Choice)

Given a population that contains genetic variation,what is the correct sequence of the following events,under the influence of natural selection?
1)Well-adapted individuals leave more offspring than do poorly adapted individuals.
2)A change occurs in the environment.
3)Genetic frequencies within the population change.
4)Poorly adapted individuals have decreased survivorship.


A)2 → 4 → 1 → 3
B)4 → 2 → 1 → 3
C)4 → 1 → 2 → 3
D)4 → 2 → 3 → 1
E)2 → 4 → 3 → 1

Answer

A