Question

A population of rodents settles on the shore of an island close to the Arctic Circle. The landscape consists mainly of rocks. If the individuals are too large, they cannot hide in crevices to escape hawks. On the other hand, small bodies do not maintain internal temperature in cold weather. Show diagrammatically the change in the population and explain what selective pressures took place.
a. directional selection
b. stabilizing selection
c. disruptive selection
d. diversifying selection

Answer 1

Answer:

most likely disruptive selection

Explanation:

pretty sure they will reproduce to make slightly bigger offspring that can hide in rocks and stay warm

Answer 2

Stabilizing selection occurs to modify population density and shape its evolution.

• In this case, directional selection does not occur because this type of selection favors extreme phenotypes.

• Moreover, stabilizing selection is a type of natural selection that stabilizes population mean on a particular average phenotypic value.

• In this case, individuals with bodies too large or small bodies are negatively selected, thereby favoring the average body size.

In conclusion, stabilizing selection occurs to modify population density and shape its evolution.

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