4.3k views
4 votes
Which are the common characteristics of fishes, birds, mammals, reptiles and amphibians?

They possess mammary glands.

They are invertebrates.

They are all warm-blooded.

They are vertebrates.

User Kees Hak
by
7.5k points

1 Answer

2 votes
They are vertebrates
User Ntimes
by
6.0k points