DENDROLOGY

Detailed explanation-1: -However, that does not mean that they’re as floppy as a jellyfish. They still have sturdy skeletons and are classified as vertebrates. So what do sharks have instead of bones? In place of the hard bones that other vertebrates have, sharks have cartilage.

Detailed explanation-2: -Sharks do not have bones. Sharks are “elasmobranchs, ‘’ meaning they are made of cartilaginous tissues. Other elasmobranchs include rays, sawfish and skates.

Detailed explanation-3: -Unlike fishes with bony skeletons, a shark’s skeleton is made out of cartilage. This is a flexible but strong connective tissue that’s also found throughout the human body, in places like the nose, ears, and in joints between bones.