Amphibians, reptiles, and mammals pass through embryonic stages in which they have tails and webbed fingers and toes.

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During embryonic development, amphibians, reptiles, and mammals, including humans, exhibit a tail and structures that resemble webbed fingers and toes, reflecting their common evolutionary ancestry. These features may be more pronounced and persist in adult forms in some species, while in others, such as humans, they are typically lost or significantly modified before birth.

Amphibians, Reptiles, and Mammals Pass Through Embryonic Stages in Which