Which one of the following set of animals share a four chambered hearts

Which one of the following set of animals share a four chambered hearts

Options

(a) Amphibian,reptiles,birds
(b) Crocodiles,birds and mammals
(c) crocodiles,lizards,turtles
(d) Lizards,mammals,birds

Correct Answer:

Crocodiles,birds and mammals

Explanation:

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