Question

why are such different animals as fish, amphibians, reptiles, birds, and mammals grouped into a single phylum?

Answer 1

are sure about the question?

Answer 2

yes, I just double checked

Answer 3

If that question is correct then according to classification rule there might be some similarities.Such as both fish and amphibians like crocodile have features suitable for condition like water.

Answer 4

I see, thank you for your help.

Answer 5

welcome again.