Answer:
B is the correct answer. I got it right.
Answer:
The comparison of the size between groups.
Explanation:
This is like a quasi experimental design, where you need to compare the two groups after you apply the stimulus to the experimental group.
To do this comparison you need to collect the size measurement data, that's when you're gonna support your hypothesis or not. Why size data between groups? Simply because your hypothesis is about larger growing cotton bolls, and that refers to size.
Genetic drift<span>allele frequencies change by chance, but in </span>natural selection<span> allele frequencies change by differential reproductive success...hope that helps</span>