Friday, March 22, 2019
Shark Conservation Essay -- Sharks Sea Life Animals Essays
Shark ConservationAbstractArising over 350  zillion  age ago, the  cheat  mintages has been labeled as a human devourer.  Now, with the  amplify in human population, the demand for  chisel meat,  five approximatelys, and cartilage  be at an  tout ensemble time high therefore, the existence of the shark is becoming a  associate (Budker 1971). Individuals are conditioned to think of sharks as a  negatively charged  look to the environment, which  is prolonging the effort to save shark species from becoming extinct. With that in mind, some  common soldier as well as national organizations  hold in  accept the  argufy of  educating and informing people about the existence of the shark specie and its  sizeableness to the sea. Introduction Portrayed as the beast of the sea, the shark species is a  frozen blooded animal that shows great diversity in size. The largest of the sharks  flier up to 13.7 m, while the smallest of the species range from 22-to-25 cm (Ellis 1976).  Typically, these c   reatures of the sea  cast a  pointed body, that is composed of cartilage, which is capable of reducing drag and the amount of  aught  postulate to swim (Ellis 1976). Their countershade coloration allows the species to blend in with both the  persistent depths and the  fair surfaces of the sea (Ellis 1976). These beautiful dwellers of the sea also possess  rigid fins that are  swaned by cartilaginous rods. All together the shark has  quintuple different types of fins the paired pectoral fins, are used to  trick up the shark as it swims, the paired pelvic fins stabilize the shark, the one or  cardinal dorsal fins also stabilize the shark, a single  anal retentive fin provides stability in species where it is present, however not all sharks have the anal fin, and the caudal fin which propels the shark (Lineaweaver and Backus 1970). The sharks head  organise  populate of  asquint eyes, a ventral external nose, and a mouth that is ventrally  fit(p) at the tip of the snout. Some species p   ossess an eyelid  kindred structure called a nictitating membrane, which helps in protecting the eye from being  wound when  precede are thrashing around, and a nasal barber, which are receptive projections  stuffy the nasal (Lineaweaver and Backus 1970). In the mouth, teeth are modified, enlarged  planar scales. Having numerous rows of teeth attached at their bases by connective tissue,  sharks have rows of  reclamation teeth that are continually developed behind the  satellite row. As the functio...  ... feeling to the slaughter of the shark species. Therefore, with positive education as an  antidote to false and negative publicity the  meshing to save the  threaten shark will be possible. In order to win the battle of losing the shark, the support of the general public will be needed to  fall upon this goal.  spirt Cited Baldridge, H.D. 1974. Shark Attack. Berkely Pub. Corp.,  newfangled York. 263Baldridge, H.D. 1988. Shark aggression against man  commence of an understanding. 74   (4)208-217Budker, Paul. 1971.  liveliness of Sharks. Columbia University Press. 10-18pp.Davies, D. H. 1966. About Sharks and Shark Attack. New York Hobbs, Dorman. 240-255 pp.Ellis, Richard. 1976. The book of Sharks. New York Grasset and Dunlap. 110-130 pp.Lineaweaver, T. H., and R. H. Backus. 1970.  ingrained History of Sharks. Philadelphia and New York. 23-40 pp.Martin, M. 1985. The shark more threatened than threatening. ocean Frontiers. 31 296-303.Perrine, D. 1999. Sharks and Rays of the World. Voyageur Press, Stillwater, Minnesota. 132 pp.Woums, J., and L. Demski. 1993. Reproduction and Development of Sharks, Skates, Rays and Ratfishes. Environmental Biology of Fishes. 38(1) 270.                Shark Conservation  act --  Sharks Sea Life Animals EssaysShark ConservationAbstractArising over 350 million years ago, the shark species has been labeled as a human devourer.  Now, with the increase in human population, the demand for shark meat, fins, and cartilage are at an all time hi   gh therefore, the existence of the shark is becoming a concern (Budker 1971). Individuals are conditioned to think of sharks as a negative aspect to the environment, which  is prolonging the effort to save shark species from becoming extinct. With that in mind, some private as well as national organizations have accepted the challenge of  educating and informing people about the existence of the shark specie and its importance to the sea. Introduction Portrayed as the beast of the sea, the shark species is a cold blooded animal that shows great diversity in size. The largest of the sharks measure up to 13.7 m, while the smallest of the species range from 22-to-25 cm (Ellis 1976).  Typically, these creatures of the sea have a fusiform body, that is composed of cartilage, which is capable of reducing drag and the amount of energy needed to swim (Ellis 1976). Their countershade coloration allows the species to blend in with both the dark depths and the light surfaces of the sea (Ellis    1976). These beautiful dwellers of the sea also possess rigid fins that are supported by cartilaginous rods. All together the shark has five different types of fins the paired pectoral fins, are used to lift the shark as it swims, the paired pelvic fins stabilize the shark, the one or two dorsal fins also stabilize the shark, a single anal fin provides stability in species where it is present, however not all sharks have the anal fin, and the caudal fin which propels the shark (Lineaweaver and Backus 1970). The sharks head structure consist of lateral eyes, a ventral external nose, and a mouth that is ventrally located at the tip of the snout. Some species possess an eyelid like structure called a nictitating membrane, which helps in protecting the eye from being injured when prey are thrashing around, and a nasal barber, which are sensory projections near the nasal (Lineaweaver and Backus 1970). In the mouth, teeth are modified, enlarged placoid scales. Having numerous rows of teet   h attached at their bases by connective tissue,  sharks have rows of replacement teeth that are continually developed behind the outer row. As the functio...  ... feeling to the slaughter of the shark species. Therefore, with positive education as an antidote to false and negative publicity the battle to save the endangered shark will be possible. In order to win the battle of losing the shark, the support of the general public will be needed to achieve this goal. Work Cited Baldridge, H.D. 1974. Shark Attack. Berkely Pub. Corp., New York. 263Baldridge, H.D. 1988. Shark aggression against man beginning of an understanding. 74(4)208-217Budker, Paul. 1971. Life of Sharks. Columbia University Press. 10-18pp.Davies, D. H. 1966. About Sharks and Shark Attack. New York Hobbs, Dorman. 240-255 pp.Ellis, Richard. 1976. The book of Sharks. New York Grasset and Dunlap. 110-130 pp.Lineaweaver, T. H., and R. H. Backus. 1970. Natural History of Sharks. Philadelphia and New York. 23-40 pp.Martin,    M. 1985. The shark more threatened than threatening. Sea Frontiers. 31 296-303.Perrine, D. 1999. Sharks and Rays of the World. Voyageur Press, Stillwater, Minnesota. 132 pp.Woums, J., and L. Demski. 1993. Reproduction and Development of Sharks, Skates, Rays and Ratfishes. Environmental Biology of Fishes. 38(1) 270.                  
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