Zoology Report On Reptiles

Zoology Report On Reptiles
Adaptations: enabled them to live their entire life without water.
1) lungs ? most have 2 but snakes have 1 which fits neatly into its slender body
How canthey breathe while eating then??
a special tube in the mouth that extends outside the snake?s mouth while swallowing so doesn?t suffocate
2) scaly skin
a. dry and leathery
b. advantage: helps prevent loss of water in dry environment
3) toes, claws, suction cups ? help climb and dig (some are legless Ex. snakes)
4) amniotic egg
a. do not need water for development
b. creates a protected environment for the embryo
c. parts:
1. Amnion ? membrane enclosing the salty fluid in which the embryo floats
2. Yolk Sac ? encloses the yolk which is rich in nutrients and nourishes the embryo
3. Allantois ? stores waste
4. Chorion ? lines the outer shell, encloses the embryo and other membranes ? also aids in gas exchange between egg and outside environment
5. Leathery Shell ? waterproof but porous

Zoology Report On Reptiles 8.2 of 10 on the basis of 2178 Review.