Which does most of the work of the endocrine system?
A. hormones
B. lymphocytes
C. neurons
D. enzymes

hormones

Explanation:

The endocrine system uses the hormones secreted by its various glands to exert functions such as;

- regulation of bone calcium by Parathormone

- regulation of body metabolism by Thyroxine

- selective reabsorbtion of water from urine by the Anti-diuretic hormone (ADH)

- development of sexual characters in males and females by testosterone and oestrogen respectively.

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it