You Wish to Test Whether an Experimental Manipulation That Mimics

Multiple Choice

You wish to test whether an experimental manipulation that mimics industrial melanism could cause changes to moth coloring.You create a large controlled environment that includes moths, their predators, and trees.You first observe moth coloring over a few generations, and then you

A) increase the number of predators.
B) introduce new prey.
C) darken the tree trunks.
D) remove sunlight.