5. Different species can share the same habitat but competition
a. reproduce at different times.
b. cat less.
but competition among them is reduced if they
c. increase their populations.
d. occupy different niches.

answer; ///i believe that the correct answer is (d); ///

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.