Which of the following animals possesses a fo | vedclass

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(A) The heart structure varies across different animal classes:$1$. Earthworms (Annelida) have a closed circulatory system with lateral hearts,but the

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Whale

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(A) The heart structure varies across different animal classes:$1$. Earthworms (Annelida) have a closed circulatory system with lateral hearts,but they do not have a four-chambered heart.$2$. Sharks (Chondrichthyes) possess a two-chambered heart consisting of one atrium and one ventricle.$3$. Salamanders (Amphibia) possess a three-chambered heart consisting of two atria and one ventricle.$4$. Whales (Mammalia) are mammals and,like all mammals,possess a four-chambered heart consisting of two atria and two ventricles,which ensures complete separation of oxygenated and deoxygenated blood.

Which of the following animals possesses a four-chambered heart?

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