After a rapid change in climate, one population of bird quickly adapts to the change, but others in the area do not. What could you conclude about the quickly adapting population?
A) They had a greater need to evolve than the other population.
B) They already had some alleles in their genome that were adaptive in the new environment.
C) They reproduced more slowly than the non-adapting population.
D) They had a higher rate of mutation than the other population.

Question

Quizplus · Accepted Answer

The fact that one population adapted quickly implies that it already had some alleles in their genome that were suitable for the new environment. This suggests that they have already undergone some selection or have had genetic diversity that allowed them to survive the climate change.

After a Rapid Change in Climate, One Population of Bird