Then they are the experimental group and the other group that wasn’t test is the control group because they can predict what will happen to the control group based on what test is given.
Explanation:
Option A is correct, the other options are merely about positions of the animal to an object
Can you reply with the list? i think i know.
<span>There is a herbicide poison spill and all the grass is killed. It will make all of the consumers who depends on the gras will get decreased. If they saw some consumers dies by eating the grasses affected by herbicide posion, they will move far away from it</span>
