what classes of vertebrates are mostly ecotherm and what classes endotherm?

Question

i have no clue do you?

Answer 1

Pisces, Amphibia, Reptilia classes have exothermic animals.Aves and Mammalia have enodothermic animals.
Temperature controlling centres lie in the hypothalamus.

Answer 2

Reptiles are a class of exothermic and mammals are a class of endothermic vertebrates.

Answer 3

I do have a clue. Reptiles, amphibians, and fish (all three classes-bony, cartilage, jawless) are ectothermic (coldblooded), birds and mammals are endothermic (warmblooded).