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18 Cards in this Set
- Front
- Back
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Fish are charactirezed by their:
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Fins, scales, pharyngeal slits
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Fish fall in to 3 main groups:
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Jawless, Bony, Cartilaginous
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Cerebrum:
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Taking care of you, exploring enviroment, smell
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Cerebellum:
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Body movements
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Optic lobe:
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Process info from eyes
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Medulla:
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Maintain balance
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Fish have ___ heart chamber
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2
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Fish pump blood out of the heart into...
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Aorta
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Used to get rid of nitrogenous waste (excretion):
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Ammonia
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Kidneys help remove waste. What else do they do?
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Help with the ammount of water in body
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Swim bladder:
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-Helps fish dive deeper
-lungs probably evovled from this structure |
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Lampreys and hagfish are part of what class of fish?
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Jawless
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Class Chondrichthyes:
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Sharks, rays, cartildge skeleton
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Class Ostechthyes:
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Bony fish
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Jawless Fish belong to this class.
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Agnatha
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Discription of species that lay eggs that develop outside the mothers body:
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oviparous
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Description of species whose young develop inside the mother's body but are not nourished directy by mother:
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ovoviviparous
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Species that bears living young and are directly nourished by mother:
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viviparous
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