PPT-External Structures of Dog Fish Shark

Ms Hays Spring 2014 External Nares Nostrils Pair of openings on each side of the head cranial from the eyes Taken up into the smaller of the two openings and expelled through the larger openings . There are almost 400 different kinds of sharks. Each kind of shark looks different, has a unique diet, and behaves differently. . There are sharks in the four oceans of the world. . Some sharks are longer than a school . vs.. Hammerhead Shark. Great White Shark. Great White Sharks are the largest predatory fish in the sea.. The Great White Shark lives for about 25 years.. In one year, a single Great White Shark consumes about 11 tons of food. . Physical Characteristics. . Hammerhead sharks are consummate predators that use their oddly shaped heads to improve their ability to find prey. It can grow up to 20 feet long. Razor sharp teeth. Not known as a human killer.. Italics. Bold/Colored Print. Underline. Indentation. Sidebar. Illustrations, Graphics, Photography. Heading, Subheading. Footnotes. Annotations. Italics. /. Underlining. Emphasis. : "Smith wasn't the . By Madison . Donenfeld. S. harks Food. Sharks eat many different kinds of foods. The foods that sharks eat are, seals ,cod , shrimp , sole, tuna, fish, jellyfish, crabs, krill, sea lions, flounder, seahorses ,hankies , dolphins, eels ,octopus , humans/people , lump fish, other sharks, Octopus. Kingdom: . Animalia. . Phylum: . Chordata. . Subphylum: . Craniata. . . Infraphylum. : . Vertebrata. Classification. Largest and most successful group of chordates. Notochord: replaced by bony or cartilaginous vertebrae (the backbone). The mutual beneficial association between different kinds of organisms. The shark benefits the remora and the pilot fish by giving them protection and providing them with food scraps. The remora helps the shark by eating the tiny parasites which grow on a shark’s skin. . Genevieve Rogan, Austin Marrs, Janet Kim, Joe Liverman. What’s a . shark. ?. There are many different types of sharks, however experts agree that all sharks share a few common characteristics:. -They are all predators. Draw the general idea of the following. Depressiform. Compressiform. Fusiform. Sagittiform. Aguilliform. Name 3 examples of bony fish. Name 3 examples of cartilaginous fish. What were the four fish mentioned in Four Fish?. Cartilaginous Fish”. Kingdom: Animalia. Phylum: Chordata. Sub Phylum: . Crainiata. Class: . Chondrichthyes. General Characteristics. Possess movable jaws . that . usually have . teeth. Mouth . is . iola and Diana. Parts of sharks. How many fins does a shark have? . Tail fin. Dorsal fin. Anal fin. Pectoral fins. 640 × . Pelvic fin,. t. Vocab. Cartilage- cartilage is a strong rubbery gill, this helps the organ that helps it breathe. A shark is a fish – what is a fish?. Three types of ‘fin’ fish or ‘true fish’:. Jawless fish. : ~ 100 species. Primitive. Lack a jaw, cylindrical and elongated bodies, no scales or paired fins. Few commercial uses. e.g. Eels or snakes. Jonathan L.W. . Ruppert. , Mike Travers, Marie-. Josée. Fortin and . Mark G. . Meekan. High numbers sharks – high coral cover, absent – low coral cover. Changes in trophic structure of fish communities. Formia, Italy Oct 9-11, 2013. Current status of fish on the appendices. Current Status of Fish on the CMS Appendices. S. turgeon (19 species). S. hark (7species). Catfish (1 species). Ray (1 species).