I think the answer is yes and No. . Yes, Fish are considered a sustainable resource. A sustainable resource is a resource an environmental resource that doesn't harm the environment. Fish are helping the environment. However fish have waste and the waste is dangerous to the environment.
Hormones - they travel through the blood to other parts of the body. Hope This Helps!
I think it is B because a cladogram shows how species are related AND also shows the evolution between them.
