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Ivan
3 years ago
15

Directional selection only occurs in response to naturally occurring events.

Biology
2 answers:
Anika [276]3 years ago
8 0

Answer:

False.

Explanation:

Directional selection is a form of natural selection and occurs in response to the existence of extreme phenotypes in a population and not in response to naturally occurring events.

An example of directional selection can be seen when a population of flies has small, large and medium-sized individuals. Larger flies are easily hit by spraying insecticides. Thus, small flies have a great advantage over large and medium flies. In this way, small flies are more likely to survive and reproduce, causing a directional selection.

vaieri [72.5K]3 years ago
6 0

Answer:Answer by JKismyhusbandbae: This is false.

Why: Selection and variation is a process that happens more slowly and happens more gradually. The selection and variation is hard to notice over a short period of time. This change is slow, constant and consistent.

Explanation:

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