Biology 11
Name: ____________________ Date: __________ Block: _____
Class Reptilia: Animals that Creep
Reptilia
- (L. reptilis = “__________”)
- evolved from _______________ about _______________ years ago
Make a venn diagram to compare Reptile to Amphibian
Major Groups of Reptiles
- _________________________
- _________________________
- _________________________
- _________________________
Reptile Adaptations
Skeleton
- Many have strong, bony skeletons able to ___________________________
- most have _____ limbs and feet with __________
Body Covering
- skin is _____ and _______________
- covered with hard __________
- functions in protection from _______________ (drying out) and from _______________.
Respiration
- breathe _____
- depend on __________ for obtaining oxygen
Heart
- has _____ chambers (like that of _________)
- ventricle partially divided by a ___________
- when the ventricle __________, the opening in the septum __________ and the ventricle is temporarily divided into _________________.
- this reduces the mixing of _______________ and ____________________
Circulatory system
= _____________ system.
- The left half of the ventricle receives __________ blood from the ____________, and pumps it to __________.
- The right half of the ventricle receives __________ blood from the _____________, and pumps it to _______________.
Kidneys
- in most reptiles, wastes are excreted as _______________, which is insoluble and needs very little water to produce
- this allows reptiles to survive without drinking water. They get enough water from _______________.
- therefore many reptiles can survive in _________________________
- turtles excrete wastes as __________ (similar to __________).
Reproduction
- Most reptiles lay eggs covered with shells that are _______________
- the egg contains __________________________ for the developing embryo
- has a shell which makes it _______________
- can be laid on __________
- Most reptiles are ___________ (their eggs are laid and incubated _________________)
- some reptiles are __________ – they give birth to _______________.
| Name | Function |
| amnion | |
| yolk sac | |
| allantois | |
| chorion | |
| albumin |
Fertilization
because egg-shells are impervious to both water and sperm, _______________ is required.
- reptiles have a __________ – a posterior opening shared by the __________, __________, and __________ tracts. The word comes from Latin, and means ” __________”.
- most reptiles have _______________, which are stored inside the body.
- male crocodilians and turtles have a __________
- lizards and snakes have a pair of __________ (penes = plural for _________)
Did You Know?
The incubation temperature of eggs determines the sex in many reptiles. Nests with high temperatures produce more females, and nests with lower temperatures produce more males.
