You are an evolutionary biologist studying a population of bats in the rainforest of Brazil. Most of the population possesses moderate length wings, although some individuals have long wings and some individuals have short wings. Over the course of time, you notice that the frequency of moderate-length wings increases. You conclude that the most likely cause of this development is?

Question

Social Studies

Candy

25 February, 08:15

You are an evolutionary biologist studying a population of bats in the rainforest of Brazil. Most of the population possesses moderate length wings, although some individuals have long wings and some individuals have short wings. Over the course of time, you notice that the frequency of moderate-length wings increases. You conclude that the most likely cause of this development is?

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Answers (1)

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Azul David · Answer 1

b. Stabilizing Natural Selection

Explanation:

During the Stabilizing Natural Selection, non-extreme trait value stabilizes for the average representative of a particular species. It means that more and more individual subjects (bats) display average presence of a certain trait (moderate-length wings).

In this way, evolution arrives to the optimal presence of a particular trait and favors individuals with moderate presence of the trait. In result, their number increases. Individuals with respective phenotype become normal and more reproductively successful.