Frogs, birds, rabbits, and lizards all have different forelimbs, which makes sense when you consider their different lifestyles. Interestingly, all of their forelimbs share the same set of bones-the ulna, the radius, and the humerus. These same bones are also seen in fossils of the extinct animal Eusthenopteron, which demonstrates common ancestry among these four groups of animals. Hence, these forelimbs are an example of:

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These forelimbs are homologous structures, meaning that they share a common ancestor and evolved from the same set of bones. Analogous structures, on the other hand, have similar functions but do not share a common ancestor or the same set of bones. Similes and homilies are not applicable in this context.

Frogs, Birds, Rabbits, and Lizards All Have Different Forelimbs, Which