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.
No comments