The development of wings on a fly, a moth, and a bird are _____ because they developed independently as adaptations to perform the common function of flying.

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The wings on a fly, moth, and bird are not homologous because they did not develop from a common ancestor with wings. Rather, they are analogous because they developed independently in each species as adaptations for the common function of flight. They are also not identical because their structures and functions differ due to their independent origins.

The Development of Wings on a Fly, a Moth, and a Bird