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Birds belong to a single class of vertebrates, the _________.

A. Aves
B. Theropoda
C. Tetanureae
D. Reptilia

User Roshith
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1 Answer

1 vote

Final answer:

Birds belong to the class Aves, distinguishing them from other vertebrates and reflecting their qualities such as endothermy, feathers, and flight. Thus option A is the correct answer.

Step-by-step explanation:

Birds are classified into a single class of vertebrates known as Aves. This class separates them distinctly from other vertebrate classes such as Mammalia and Reptilia, reflecting their unique adaptations like endothermy (warm-bloodedness), the presence of feathers, and their ability to fly. Despite birds sharing a common ancestor with theropod dinosaurs, which makes them a part of the broader archosaur clade within the diapsids, the specific class that all modern birds fall under is Aves.

User DavidStein
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