Abstract: The lab was an introduction of the external anatomy of the shark on a lower floor visual observation. creation: Sharks ar mostly marine fishes, and some watch in fresh water. Their fins have different functions such as lift, propulsion, and stabilizing. thither are one or two fins stand for along dorsal midline c entirelyed first and second dorsal fin. If the spin is the orgin, it is mainly hence used for defense. Pectoral fins startle off from behind the head and extend outwards. The purpose of these fins is for charge and attention the shark lift in different directions. pelvic fins are located near claoca. A shark uncase is made of bittie placoid scales. It mostly dry, and used as a sandpaper. It consists of bascal diminished plate buried within climb and raised portion. Sharks accept the basic nerve centre structure that is set in motion in all vertebrates, but with some modification. The shark eye has a reflecting layer called a tapetum lucidum lo cated behind the retina.
Results: askance View: Ventral View: Materials/Methods: Dogfish Shark Dissection fit Dissecting tray Gloves Discussion: In this lab, the students wise(p) were the eyes, teeth, mouth, two dorsal fins and two pectoral medallion fins and a dog are located. Then understood the indisputable views, lateral,anterior,posterior, and dorsal. This crucial because then it help understand the observation of the shark. original dissections will intimate the exact positions; the students must know how to nock from each view. If you involve to get a full essay, separate it on our website:
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