What hormone stimulates the egg to mature and the secretion of estrogen?
a. fsh
b. estrogen
c. progesterone
d. lh

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants