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Survival of the Fittest

In a habitat ...

Question

In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs. The above demonstrates ________.

A

Genetic Variation

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B

Natural Selection

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Solution

The correct option is B Natural Selection
Natural selection is a concept first theorized by Charles Darwin, which is the adjustment of genes throughout generations based on factors that help to live organisms survive. This is survival of the fittest or the adaptation of organisms that are better suited to the environment in other ways. One of the example is: In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.

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