kagriffin1116
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PLEASE HELP ASAP
When environmental conditions change, selection can cause a change in the distribution of phenotypes of that species. Which of the following trends would provide evidence of disruptive selection in response to environmental change?

A shift in a population's frequency curve from an intermediate phenotype to an extreme phenotype
A shift toward equal distribution of all phenotype frequencies, including intermediate and extreme phenotypes
An increase in the frequency of extreme phenotypes and a decrease in the frequency of intermediate phenotypes
An increase in the frequency of intermediate phenotypes and a decrease in the frequency of extreme phenotypes

Respuesta :

dji854245

Answer:

One of the extreme phenotypes has the highest fitness. The bell curve shifts towards the more fit phenotype.

so I think w ould say the second one

Explanation:

JuicyJaguar

Answer:

An increase in the frequency of extreme phenotypes and a decrease in the frequency of intermediate phenotypes

Explanation:

A disruptive selection is one where the extreme phenotype frequencies are increased and the intermediate phenotype frequencies are decreased.

**(Also I just took the test and this was the answer)

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