asked 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.

asked
User Kees Hak
by
8.4k points

1 Answer

2 votes
They are vertebrates
answered
User Ntimes
by
7.0k points
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