Question

which animal has 25,000 teeth?
a snail b shark
c catfish d whale

Explanation:

Snail has a radula which is a ribbon - like structure covered with thousands of tiny teeth. Some snail species can have up to 25,000 teeth. Sharks have multiple rows of teeth but not as many as 25,000. Catfish have small teeth but not in the quantity of 25,000. Whales (except some toothed whales) have baleen instead of teeth.

Answer:

A. Snail