Answer:
endocrine control, because melatonin is secreted into the blood and regulates body processes
Explanation:
B. growing limbs using tissue memory.
Compounds are <span>Anything made by combining several things. 2 or more separate elements.
Mixtures are </span>Something produced by mixing. Something that consists of diverse elements
False, they are structures for motility and have nothing to do with respiration
Population Size, Good Luck!