birds
mammals
fish(also ectotherms)
Mammals and birds are endotherms.
Endotherms (warm blooded)
Mammals and birds are endothermic.
The vertebrates are further divided into five groups or classes.
5
Yes, they are one of the classes of vertebrate.
The black bear is endothermic
They are endotherms
reptiles amphibians and fish
what two classes of vertebrates use external fertilisation
Fish, Amphibians, Reptiles, Birds, Mammals
Vertebrates can be classified into mammals, aves(birds), reptiles, amphibians and pisces(fishes).