some sharks are endangered because humans keep killing them for there own uses or just for the sake of it.
Their cartilage is used for cancer medicine.
Hammerhead sharks primarily travel through the ocean in search of food. This consumes a majority of their life and uses considerable amounts of energy.
Kinda-sorta. Sharks are fish, they use gills to get oxygen from the water. So it's a kind of breathing even if there are no lungs involved.
Nurse Sharks, Lemon sharks and Hammerhead Sharks
Tina Anton has written: 'Sharks, Sharks, Sharks' -- subject(s): Juvenile literature, Sharks 'Sharks, Sharks, Sharks (Real Reading)'
There are three species of sharks known to eat starfish. These sharks are the Nurse sharks, Horn sharks and Port Jackson sharks.
Mako sharks, thresher sharks and Great white sharks
the lemon shark is a bottom feeder that uses its Ampullae of Lorenzo to pick up the electrical pulses given out by possible prey
megalodon sharks, great white sharks, frilled sharks, thresher sharks, tiger sharks, sand tiger sharks, lemon sharks, bull sharks, whale sharks, basking sharks, lepord sharks,black tip sharks. there is 12.
no! orcas are larger than most sharks some sharks are bigger like great white sharks,basking sharks,whale sharks and megamouth sharks
There are around 440 different species of sharks in the world (great white sharks, carpet sharks, hammerheads, whale sharks, tiger sharks, blue sharks, mako sharks, lemon sharks, angel sharks, thresher sharks, megamouth sharks, zebra sharks, nurse sharks, basking sharks, and bull sharks, just to name a few). And they all grow to different sizes. So, unless you specify what kind of shark(s) you're talking about, this question is far too general to be answered. See the Related Link below for the Wikipedia entry for sharks.