Q: What is the second class of fish after ray-finned fish?


Read this paragraph and choose the correct option from the provided answers:

There are about 27,000 species of bony fish ( Figure below ), which are divided into two classes: ray-finned fish and lobe-finned fish. Most bony fish are ray-finned. These thin fins consist of webs of skin over flexible spines. Lobe-finned fish, on the other hand, have fins that resemble stump-like appendages.

 Choices:

- pine - finned fish

- spar - finned fish

- star-finned fish

- lobe-finned fish


A:
lobe-finned fish