Shark
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a long-bodied chiefly marine fish with a cartilaginous skeleton, a prominent dorsal fin, and toothlike scales.
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Similarity
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the state or fact of being similar.
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Skin
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the thin layer of tissue forming the natural outer covering of the body of a person or anima
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Characterize
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describe the distinctive nature or features of.
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Genus
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a class of things that have common characteristics and that can be divided into subordinate kinds.
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Gills
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the paired respiratory organ of fish and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx.
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Snout
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the projecting nose and mouth of an animal, especially a mammal.
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Specimen
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an individual animal, plant, piece of a mineral, etc. used as an example of its species or type for scientific study or display.
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Claspers
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a pair of appendages under the abdomen of a male shark or ray, or at the end of the abdomen of a male insect, used to hold the female during copulation.
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Mollusc
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an animal such as a snail, clam, or octopus which has a soft body. Many types of mollusc have hard shells to protect them.
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