Sharks By Raven Gay Scientific Name The scientific

Sharks !! By : Raven Gay

Scientific Name - The scientific name for sharks is Carcharhinus Achromous -

Physical Characteristics §Sharks skeletons are different than most fish. §They have skeletons made from cartilage §Sharks don’t have rib cages. §Sharks jaws are not attached to their heads. §Sharks teeth are embedded in their gums, §The tails of sharks allow them to swim fast.

How It Feeds §Most sharks are carnivores. §Whale sharks use suction to take in plankton and small fishes. §The shark traps the plankton in these filaments and swallows from time to time in huge mouthfuls. § Their teeth are comparatively small because they are not needed for feeding.

Reproduction §Sharks, like most mammals, practice internal fertilization. §When mating most sharks swim parallel to each other. §Males also bite the females to show interest. §They produce a small number of welldeveloped young as opposed to a large number of poorly-developed young.

Where do sharks live? §Sharks are found in all seas. §Most of them do not live in fresh water. §Sharks are common down to depths of 7, 000 ft, and some live even deeper, but they are almost entirely absent below 10, 000 ft.

How they survive § sharks survive mostly on their senses. § with their sense of smells they are able to detect as little as one part per million of blood in seawater. § Sharks use the Ampullae of lorenzini to detect the electromagnetic fields that all living things produce. This helps them find their prey.

F U N F A C T S § Sharks lose 30, 000 or more teeth in their lifetime. §The rate of tooth replacement varies from once every 8– 10 days t several months. §Recent studies have shown that sharks poss problem solving skills, curiosity, and strong so skills.