Suppose That the Only Remaining Population of a Certain Reptile

question 4

Multiple Choice

Suppose that the only remaining population of a certain reptile species lives on an African mountain and that there is no migration out of this large but isolated population. Which of the following describes the most likely future of this reptile population?

• A) Evolution will promptly cease.
• B) The bottleneck effect will cause major evolutionary changes in the isolated population.
• C) The population will survive only as long as the environment remains constant.
• D) The population will go extinct after a few generations because of inbreeding.
• E) Evolution will continue because of mutations, assortative mating, and genetic drift.

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