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18 Cards in this Set

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