Dinosaurs
The axolotl is in the vertebrate classification of amphibians.
the whale
Penguins are birds, so they belong to the vertebrate class Aves.
The vertebrate class with a single loop circulatory system, consisting of one atrium and one ventricle, is the class of fish. They have a simple heart structure that pumps blood in a single circuit throughout their bodies.
Tortoise are vertebrates they have a back bone like we humans do.
Humans belong to the class mammalia of vertebrate.
The axolotl is in the vertebrate classification of amphibians.
The frog is a vertebrate considering it is in the class Amphibia.
mammal
a sparrow is a vertebrate it is under the classification of class aves
Aves
amphibians
mammal class
Osteichthyes, the bony fish class, has over 30,000 species.
The cockatoo is a bird, so it is in the vertebrate class Aves.
Aves (birds)
Pisces