Question

Using the "Checkpoints Section" of your eBook answer the following question:
How are the bones in the fin structure of the Tiktaalik evidence of a transition from fish to amphibian? Select all that apply.
• It is older than fish fossils.
• It has limb bones like an amphibian.
• It has fins like a fish.
• The limb bones do not look as developed as they do in the amphibian.

Answers

Answered by GPT-4o mini
The bones in the fin structure of the Tiktaalik provide evidence of a transition from fish to amphibian in the following ways:

- **It has limb bones like an amphibian.**
- **It has fins like a fish.**
- **The limb bones do not look as developed as they do in the amphibian.**

These points highlight the characteristics of Tiktaalik that demonstrate its transitional nature between aquatic and terrestrial forms.

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