Question Detail
Question
The followings have exoskeleton except _______.
Correct Answer
Option B is the correct answer.
Detailed Explanation
Beetles and grasshoppers are insects, and snails are mollusks, all of which possess an exoskeleton (or shell, in the case of snails). Tilapia is a type of fish, which has an endoskeleton (internal skeleton) made of bone or cartilage.
Hint
An exoskeleton is a rigid external covering. Which of these animals has an internal skeleton, rather than an external one?