Multiple Choice
Consider the following two scenarios: 1) A flash- flood sweeps through an area and random lemmings are killed, resulting in a change in lemming phenotype in subsequent generations; 2) A flash- flood sweeps through an area and some lemmings are able to survive because they are able to hold their breath longer than other lemmings, resulting in a change in lemming phenotype in subsequent generations. What are the primary differences between the two scenarios?
A) Scenario 1 represents natural selection, while Scenario 2 represents genetic drift.
B) Both scenarios represent genetic drift.
C) Both scenarios represent natural selection.
D) Scenario 1 represents genetic drift, while Scenario 2 represents natural selection.
Correct Answer:

Verified
Correct Answer:
Verified
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