Aperson feels tired, gains weight, and notices changes in metabolism. which gland would be the cause

a: the pancreas
b: the testes
c: the thyroid
d: the ovary

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Which direction does the energy flow in this energy pyramid ?