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You continue to go back to this same population of beetles in the mud, however you...

You continue to go back to this same population of beetles in the mud, however you never see another green beetle in this population. Which force(s) of evolution could cause green beetles to appear again?

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Answer #1

Forces of evolution:
i. Natural selection
ii. Genetic drift
iii. Mutation
iv. Population mating structure
v. Culture

It is given that green beetles are not found in a beetle population in a mud.
If green color exposes beetles for predation, it will be negatively selected and eliminated from the population. The evolutionary force = Natural selection
If green color is not an attractive trait for mate selection, it will be eliminated from the population. The evolutionary force = Population mating structure

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