A Key Derived Character of Sharks and Rays That Distinguishes

question 12

Multiple Choice

A key derived character of sharks and rays that distinguishes them from ray- finned fishes is

• A)a skeleton made of cartilage
• B)jaws and a swim bladder.
• C)calcified (hard)bones.
• D)vertebrae.

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Definitions:

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Family Health History

The record of diseases and health conditions present in your family, important for predicting your risk of certain illnesses.

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