The leg bones of the first tetrapod (shown in the following diagram)are hypothesized to have evolved from bones in the ____________.

Name: The leg bones of the first tetrapod (shown in the following diagram)are hypothesized to have evolved from bones in the ____________.
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Question

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The first tetrapod is believed to have evolved from lobe-finned fishes. The leg bones of the tetrapod are thought to have evolved from the fins of these fishes, which had a similar bone structure.

The Leg Bones of the First Tetrapod (Shown in the Following