Question

Both bony fishes & cartilaginous fishes have ………………..



Fins.



An oily liver.



A swim bladder.



Skeletons made of bones.

Answer 1

Answer:

Both bony fishes and cartilaginous fishes have Skeletons made of bones.

Answer 2

The answer is fins

the oily liver is specific to cartilaginous fish

the swim bladder is specific to bony fishes

the skeleton made of bones is specific to bony fishes