Answer:
A(the first one)
Explanation:
Homeostasis maintains the constant internal conditions in an organism. It is important because cells function best with a limited range of conditions. ... All living things have body parts with different functions that help them survive.
In 1859, Charles Darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. He defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".
Answer: the answer should be Decreases as the habitat is increasingly polluted. Now I'm not 100% but this answer seems to be the one that makes the most sense.
Sorry if I'm wrong but I think this is correct. Hope I have helped.
The best example of overexploitation of a resource is overfishing.