If an animal is an ectotherm, it has
(A) a skeleton on the outside of its body
(B) a skeleton on the inside of its body
(C)a body that regulates its own internal temperature
(D) a body that does not produce much internal heat
(A) a skeleton on the outside of its body
(B) a skeleton on the inside of its body
(C)a body that regulates its own internal temperature
(D) a body that does not produce much internal heat