Which one of the following sets of animals share a four chambered heart?
A
Amphibian, Reptiles, Birds
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B
Crocodiles, Birds, Mammals
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C
Crocodiles, Lizards, Turtles
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D
Lizards, Mammals, Birds
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Solution
The correct option is B Crocodiles, Birds, Mammals Amphibians have three-chambered heart, while reptiles have incomplete four-chambered heart (except crocodiles). Crocodiles, birds and mammals have complete, four-chambered hearts.