A Hurricane Sweeps Across the Southern Tip of Florida,killing Salamanders

A hurricane sweeps across the southern tip of Florida,killing salamanders randomly.Salamander colour is genetic,and,after the storm,scientists notice that the frequency of yellow-brown salamanders and green-brown salamanders has changed significantly.This is an example of a ________ and we would predict that 20 generations after the storm the population would show ________.

A) founder effect;a lot of genetic variation
B) founder effect;speciation
C) founder effect;little genetic variation
D) bottleneck effect;little genetic variation
E) bottleneck effect;many useful adaptations to surviving floods

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