what two groups of vertebrates are numerous today on earth?

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vertebrates

2006-10-22 07:35:47 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Biology

Fish and Birds?

2006-10-22 07:41:36 · answer #1 · answered by cheri b 5 · 0⤊ 0⤋

Several groups of vertebrates are numerous on earth today. Fish are the most numerous, followed by birds, mammals, reptiles and amphibians.

2006-10-22 16:05:20 · answer #2 · answered by PaulCyp 7 · 0⤊ 0⤋

Mammals, fish

2006-10-22 14:38:01 · answer #3 · answered by the sponge 3 · 0⤊ 0⤋

humans and birds

2006-10-22 14:43:09 · answer #4 · answered by nick_lupro 3 · 0⤊ 0⤋

mamals and birds

2006-10-22 14:51:37 · answer #5 · answered by ignacio a 2 · 0⤊ 0⤋