Which group includes sharks?

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Prepare for the Diversity of Life Test. Explore diverse biological concepts through multiple choice questions, with hints and explanations included. Get exam-ready now!

Multiple Choice

Which group includes sharks?

Explanation:
Sharks belong to cartilaginous fishes, a group defined by having a skeleton made of cartilage rather than bone. This cartilage-based skeleton distinguishes them from bony fishes, which have calcified bones; from jawless fishes, which lack true jaws; and from tunicates, which are not fishes at all. So the group that includes sharks is cartilaginous fishes.

Sharks belong to cartilaginous fishes, a group defined by having a skeleton made of cartilage rather than bone. This cartilage-based skeleton distinguishes them from bony fishes, which have calcified bones; from jawless fishes, which lack true jaws; and from tunicates, which are not fishes at all. So the group that includes sharks is cartilaginous fishes.

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