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Feeding on Mushrooms Has Independently Evolved Several Times in the Genus

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Short Answer

Feeding on mushrooms has independently evolved several times in the genus Drosophila. This is an example of _______ phenotypic evolution.


Definitions:

Two-Tailed Test

A hypothesis test in which the critical area for a rejection of the null hypothesis is in both tails of the probability distribution, allowing for testing of deviations in both directions.

Population Mean

The average of all the values in a population, representing the central tendency of the total population.

Type II Error

The failure to reject a false null hypothesis or a false negative in hypothesis testing.

Significance Level

The significance level, denoted by alpha, is the threshold chosen by researchers below which a p-value must fall for results to be considered statistically significant.

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