Question

multiple choice question
sharks and rays are members of what vertebrate group?
bony fishes
lobe - finned fishes
jawless fishes
cartilaginous fishes

Explanation:

Sharks and rays have skeletons made of cartilage, which is the defining characteristic of cartilaginous fishes. Bony fishes have skeletons made of bone. Lobe - finned fishes are a type of bony fish with fleshy fins. Jawless fishes, as the name suggests, lack jaws.

Answer:

cartilaginous fishes