Question

please answer this please​

Answer 1

Hey mate...

I learned that vertebrate animals are animals who have backbones.

There are five classes of vertebrate animals namely:- fish, amphibians, reptiles, mammals and birds.

Answer 2

I learned that vertebrate animals are that which have notochord replaced by vertebral column

There are five classes of vertebrate animals namely Pisces , Amphibia,Reptilia, Aves and Mammalia


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