Answer:
Hormones
Explanation:
Hormones travel through the body
Answer;
-Gametic Isolation
Explanation;
-Gametic isolation is a type of prezygotic barrier where the gametes (egg and sperm) come into contact, but no fertilization takes place.
-In Gametic isolation is when sperm of one species may not be able to fertilize the eggs of another species. For instance, sperm may not be able to survive in the reproductive tract of females of the other species, or biochemical mechanisms may prevent the sperm from penetrating the membrane surrounding the other species' eggs.
Answer:
second one:when the thyroid produces too many hormones
Explanation:
I donno of its correct but I think its this
thanks fr points
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It could be over run with the minor consumers and such causing massive problems
