Answer:
D
Explanation:
I think it is D because if you increase your genetic variation then you will have more population of, well "yourself" - therefore making more chances to survive. although don't take what I say word-for-word because I'm just a noob at this stuff. if it pops up wrong, please notify me why it is wrong so that I can improve.
Answer: "the Signal hypothesis" .
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A dependent variable is the variable that gets affected during an experiment. It changes in response to the independent variable.