" The Big Picture!" by Mr C

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

1. _________________________
2. _________________________
3. _________________________
4. _________________________

 

 

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.