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Some reptiles have a partially divided ventricle to create the functional equivalent of:

A. a four-chambered heart.
B. gills.
C. sacral ribs.
D. a third lung.



Answer :

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Final answer:

Some reptiles like alligators and crocodiles have a four-chambered heart, enhancing their circulatory efficiency.


Explanation:

Some reptiles, such as alligators and crocodiles, have evolved to exhibit a four-chambered heart, making them unique among reptiles. This adaptation allows for a more efficient separation of oxygenated and deoxygenated blood, improving their circulatory system's effectiveness.


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