Question

name the five classes of vertebrates compare any two

Answer 1

hii friend

the five classes of vertebrates are mammals, birds, fish, reptiles, amphibians.

differences between birds and mammals are
birds
their body is covered by feathers
mammary glands are absent
they are oviparous 

mammals
their body is covered by skin,hair etc
mammary glands are present
they are viviparous

hope it helps u!

Answer 2

your answer 1pisces 2amphibia 3reptilia 4aves 5mammalia in amphibia heart is three chambered and respiration by gills ,lungs,skin and in reptilia respiration by lungs and limbs are present with five fingers