Moving to land

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Author:
mphothiwat
ID:
246472
Filename:
Moving to land
Updated:
2013-11-12 10:03:14
Tags:
Bio 101
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Description:
Bio 101 lecture 17
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  1. Lobed-finned fish
    • breath air, have a lung
    • lobe-fins transformed into legs
  2. Aestivation
    • reduce metabolism to 1/60th normal
    • state of suspended animation
  3. Nares
    • nostrils
    • air goes thru trachea and into lungs
  4. skeletal girdles
    muscles attach to it for movement
  5. cervical vertebrae
    for movement
  6. sacral vertebrae
    pelvis
  7. thoracic vertebrae
    • trunk vertebrae with ribs
    • supports lung
  8. caudal vertebrae
    supports tail
  9. mucus gland
    • cuts down on evaporation loss
    • located beneath epidermis
  10. tympanic membrane
    external ear drum, like in bull frogs
  11. integument
    breath thru skin

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