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laila [671]
2 years ago
5

Define the following terms in grammatically correct sentences. Each definition should contain the following words: population, s

election, fitness, and environment.
(a) Directional selection
(b) Disruptive selection
(c) Stabilizing selection.
Social Studies
1 answer:
castortr0y [4]2 years ago
3 0

Answer/Explanation:

a. Directional selection is a form of natural <em>selection</em> that occurs when the conditions of an <em>environment</em> favors individuals of a <em>population</em> with an extreme trait that makes them have a <em>fitness</em> greater than other individuals with traits of lesser fitness that cannot survive and thrive well in the <em>environment</em> like the individuals with extreme traits that has greater <em>fitness</em>. In directional selection, the environmental condition of an <em>environment</em> favors the <em>selection</em> of individuals with a particular extreme trait only as against others with traits of less <em>fitness.</em>

b. Disruptive selection occurs when <em>selection</em> favors individuals of a <em>population</em> with extreme traits that has greater <em>fitness</em> to survive in an <em>environment, </em>while individuals of average traits with less <em>fitness </em>are selected against. <em>Selection</em> favors individuals of extreme values at both end of the spectrum.

c. Stabilizing selection occurs whereby, <em>selection</em> favors individuals of intermediate or average traits that has greater <em>fitness</em> to survive in an <em>environment </em>, while individuals in the <em>population</em> with extreme traits that have less <em>fitness</em> is selected against.

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