The structures of the endocrine system are crucial to performing functions that are essential in life processes. what is the major function performed by the endocrine system? a. it affects the reproductive system. b. it releases hormones into the bloodstream. c. it competes with the nervous system. d. it is made up primarily of glands with ducts.

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.