Question

Four chambered heart is characteristic feature of:

Reptiles

Fishes

Mammals
Correct

Amphibians

Answer 1

Answer:

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Explanation:

Mark as brain list

Answer 2

Answer:

A. Fishes have two-chambered heart having one auricle and one ventricle.

B. Reptiles have three-chambered heart having two auricles and one ventricle.

C. Amphibians have three-chambered heart having two auricles and one ventricle.

D. Birds have four-chambered heart having two auricles and two ventricles.

E. Mammals have four-chambered heart having two auricles and two ventricles.

Hence, the amphibians were the first to evolve a three-chambered heart for proper distribution of oxygen in the body.

So, the correct answer is 'Amphibians'.

Explanation:

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