Moving to land

Lobed-finned fish
- breath air, have a lung
- lobe-fins transformed into legs
Aestivation
- reduce metabolism to 1/60th normal
- state of suspended animation
Nares
- nostrils
- air goes thru trachea and into lungs
skeletal girdles

muscles attach to it for movement
cervical vertebrae

for movement
sacral vertebrae

pelvis
thoracic vertebrae
- trunk vertebrae with ribs
- supports lung
caudal vertebrae

supports tail
mucus gland
- cuts down on evaporation loss
- located beneath epidermis
tympanic membrane

external ear drum, like in bull frogs
integument

breath thru skin

Author

mphothiwat

ID

246472

Card Set

Moving to land

Description

Bio 101 lecture 17

Updated

2013-11-12T15:03:14Z