Scientists use whale flukes, like the one shown, to identify individuals in a population. which of the following characteristics of a whale fluke is a genetic variation passed on by their parents? notches in the fluke organisms living on the fluke size of the fluke scars on the fluke

explanation:

plz give me the characteristics.

cell regulation is conducted by special proteins.

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