位置22的问题 Reptiles have a three chambered hearta. True b. False

Question

BlackTom AI · Accepted Answer

The question asks about the heart anatomy of reptiles and presents two options to choose from.
Option a: 'True' asserts that reptiles have a three-chambered heart. In many reptiles, including most lizards and turtles, the heart is indeed composed of two atria and one ventricle, making a three-chambered arrangement with some partial separation of blood flow. This aligns with standard comparative anatomy for most non-avian reptiles.
Option b: 'False' would claim that reptiles do not have a three-chambered heart. This is incorrect for the typical reptilian heart structure, though there are some nuances in certain species where the ventricle has partial septation that affects blood mixing. However, the broad, commonly taught description remains a three-chambered heart.
To evaluate these, recall that a three-chambered heart generally refers to the presence of two atria and one ventricle, which is characteristic of reptiles. The alternative view would require evidence that reptiles lack a three-chambered heart entirely, which contradicts foundational anatomy knowledge for many reptile species.
In summary, option a correctly identifies the common reptilian heart structure, while option b asserts a false generalization about reptile cardiac anatomy. The contrast hinges on whether the three-chamber model is accepted as the standard description across reptiles, which it is, with noted exceptions in some groups due to partial ventricular separation.

位置22的问题 Reptiles have a three chambered hearta. True b. False

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