Question

Which of the following statements is true?

All skeletons are made mostly of cartilage.
Exoskeleton is a skeleton inside the body, like yours. An endoskeleton is outside
the body, like a grasshopper's.

An exoskeleton is usually made of bone or cartilage, but an endoskeleton is
made of a different substance called chitin.
Endoskeleton is a skeleton inside the body, like yours. An exoskeleton is outside
the body, like a grasshopper's.

Answer 1

Endoskeleton is a skeleton inside the body, like yours. An exoskeleton is outside

the body, like a grasshopper's.

Step-by-step explanation: