It is a vertebrate. They have backbones.
Depends, they could lose teeth, and gain some.
No, thresher sharks aren't endangered.
yes the Atlantic sharpnose sharks are endangered
They are endangered because to many people are killing the sharks for no reason.
many Shark species are endangered but Sharks aren't mammals. Sharks are fish.
It lives in a little part of the sea called bikini bottom.
Sharks are endangered.
No. Adult humpbacks have no natural predators. Man has severely affected humpback whale populations by killing them for years. Though they are big and strong, they are no match to the weapons and the powerful harpoons that humans created. That is why, Man is the biggest threat to these whales
No
No
All sharks are endangered because people are catching them in great numbers and cutting off their fins for sharks fin soup.