Answer:
Thyroxine is a hormone the thyroid gland secretes into the bloodstream. Once in the bloodstream, thyroxine travels to the organs, like the liver and kidneys.
Explanation:
Answer:
They change their color so they wouln't be spotted by predators. Its like a self defence meckanisum ( i dont knwo how to spell) so they wouldn't get caught.
Explanation:
hope this helped
The anwser is (A).<span>Methanogens. hope this helped you out
have a great day :)</span>
Answer:
I'm sorry but you should do it on your own because if you don't you won't learn the way you should and plus that is cheating.