Bull Sharks
Bull Shark: Osmoregulator Predator
Scott Marshall
English Composition: EN-101-15
Professor Craig Cushing
April 19, 2010
Outline
Thesis Sentence: Carcharhinus leucas also known as Bull Shark are unlike other sharks as they can tolerate fresh water and can travel far upstream in rivers. I. Introduction A. Definition of Carcharhinus leucas, its class, subclass and physiology B. Eytmology. II. Common Names III. Habitat IV. Eating habits V. Adaptability; osmoregulation VI. Shark Attacks-Some attacks of bull sharks are blamed on the great white A. Some statistical information B. The 1916 New Jersey shark attacks VII. Conclusion A. Staying safe in the waters B. Further reading
Bull Shark: Osmoregulator Predator The bull shark is one of the sharks that captures my interest because it can live and hunt in both oceans and rivers. The species is formally known as Carcharhinus leucas. It belongs to a class known as chondrichthyes /kan-drik-the-ez/. This class is comprised of cartilaginous fishes with well developed jaws which include sharks, skates, rays and chimeras. (Merriam-Webster 's Medical Dictionary, Merriam-Webster, Inc.) Cartilaginous fish means their skeleton is made of cartilage rather than bone. (Kennedy, What is an Elasmobranch?) They also belong to a subclass called elasmobranch /i-laz-me-brangk’/. (Merriam-Webster 's Medical Dictionary, Merriam-Webster, Inc.) This sub class is defined as having five to seven gills, openings on each side of the fish, rigid dorsal fins, spiracles to help with their breathing, and scales. Their upper jaws are not fused to their skulls and they possess many rows of sharp teeth that can be replaced continuously. (Kennedy, About.com Guide) The bull shark is known by many names worldwide. It has the name bull shark from its appearance of a short stub nose and aggressive reputation. (Curtis) It has also been called a variety of other names ranging from Zambezi
Scott Marshall
English Composition: EN-101-15
Professor Craig Cushing
April 19, 2010
Outline
Thesis Sentence: Carcharhinus leucas also known as Bull Shark are unlike other sharks as they can tolerate fresh water and can travel far upstream in rivers. I. Introduction A. Definition of Carcharhinus leucas, its class, subclass and physiology B. Eytmology. II. Common Names III. Habitat IV. Eating habits V. Adaptability; osmoregulation VI. Shark Attacks-Some attacks of bull sharks are blamed on the great white A. Some statistical information B. The 1916 New Jersey shark attacks VII. Conclusion A. Staying safe in the waters B. Further reading
Bull Shark: Osmoregulator Predator The bull shark is one of the sharks that captures my interest because it can live and hunt in both oceans and rivers. The species is formally known as Carcharhinus leucas. It belongs to a class known as chondrichthyes /kan-drik-the-ez/. This class is comprised of cartilaginous fishes with well developed jaws which include sharks, skates, rays and chimeras. (Merriam-Webster 's Medical Dictionary, Merriam-Webster, Inc.) Cartilaginous fish means their skeleton is made of cartilage rather than bone. (Kennedy, What is an Elasmobranch?) They also belong to a subclass called elasmobranch /i-laz-me-brangk’/. (Merriam-Webster 's Medical Dictionary, Merriam-Webster, Inc.) This sub class is defined as having five to seven gills, openings on each side of the fish, rigid dorsal fins, spiracles to help with their breathing, and scales. Their upper jaws are not fused to their skulls and they possess many rows of sharp teeth that can be replaced continuously. (Kennedy, About.com Guide) The bull shark is known by many names worldwide. It has the name bull shark from its appearance of a short stub nose and aggressive reputation. (Curtis) It has also been called a variety of other names ranging from Zambezi
References: Elasmo Research. 2010 <www.elasmo-research.org>. De Alessandro, M.. SHARKS The Perfect Predators. Sunnyside, Aukland Park: Jacana Media (Pty) Ltd, 2008. Merriam-Webster 's Medical Dictionary, Merriam-Webster, Inc. Dictionary.com. 2007. April 2007 <dictionary.reference.com>. Pillans, R D. UQ eSpace. 2006. April 2010 <espace.library.uq.edu.au>.