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17 Cards in this Set
- Front
- Back
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vertebrate
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an animal with a backbone and skull
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vertebrae
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segments of bones
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endotherm
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an animal that maintains a constant body temp.
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cartilage
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is a substance that is in a shark that gives support and protection but isn't rigid like a bone
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ectotherm
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an animal whose body temp. flurtuactes with environments temp.
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fins
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fan like structures that help fish move
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scales
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bony structures that cover skins of bony fish
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lateral line system
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a row or rows of tiny sense organs along each side of the body
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gills
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organs that remove oxygen from the water and co2 from the blood
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denticles
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small, sharp, tooth like structures on the skin of cartilagious fishes
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swim bladder
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a balloonlike organ that is filled with oxygen and other gases; gives bony fish their buoyncy
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lung
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a saclike organ that takes oxygen from the air and delivers it to the blood
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tadpole
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the aquatic larvae of an amphibian
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metamorphosis
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the process in which another animal develops into another one
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therapsid
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a prehistoric reptile ancestor of mammals
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amniotic egg
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an egg containing amniotic fluid to protect the developing embryo
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chartate
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members of the pylum chorata
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