How does the sperm come in contact with frog eggs? 1. The sperm is placed on top of the eggs
2. The sperm is carried through a reproductive system
3. The sperm is carried to eggs via water

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d