Select the incorrect statement regarding the | vedclass

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Question

(A) The evolution of the heart shows a transition from simple to complex structures.$1$. Cartilaginous fishes (Chondrichthyes) possess a two-chambered

Vedclass · Accepted Answer

Cartilaginous fishes have a non-chambered heart.

Vedclass · Answer

(A) The evolution of the heart shows a transition from simple to complex structures.$1$. Cartilaginous fishes (Chondrichthyes) possess a two-chambered heart (one atrium and one ventricle),not a non-chambered heart.$2$. Amphibians have a three-chambered heart (two atria and one ventricle).$3$. Reptiles (except crocodiles) have a three-chambered heart with a partially divided ventricle.$4$. Birds and mammals have a four-chambered heart (two atria and two ventricles).Therefore,option $A$ is the incorrect statement.

Select the incorrect statement regarding the evolution of the heart.

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