Which term describes bony fishes as per the material?

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Multiple Choice

Which term describes bony fishes as per the material?

Explanation:
The main idea here is separating fishes by what their skeleton is made of. Bony fishes have a skeleton built from bone tissue, not cartilage. That bone-based skeleton is what the term Osteichtyes describes, so it correctly labels the group of bony fishes. In contrast, cartilaginous fishes have skeletons made of cartilage, and jawless fishes lack jaws altogether, so those groups don’t fit the description of having a bone skeleton.

The main idea here is separating fishes by what their skeleton is made of. Bony fishes have a skeleton built from bone tissue, not cartilage. That bone-based skeleton is what the term Osteichtyes describes, so it correctly labels the group of bony fishes. In contrast, cartilaginous fishes have skeletons made of cartilage, and jawless fishes lack jaws altogether, so those groups don’t fit the description of having a bone skeleton.

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