Which statement about cartilage and bone is correct?

AAn endoskeleton made of bone rather than cartilage allows animals to grow larger and heavier.
BCartilage is less flexible than bone, but stronger.
CCartilage is a hard tissue that consists of a collagen matrix, or framework, filled in with minerals such as

calcium.

DA distinguishing feature of vertebrates is their exoskeleton made of bone or cartilage