REPTILIA

REPTILIA 

      - These are those animal which having totally terrestial habitat
- this animal came in origin after amphibian
- As having Totally terrestial habit so have well developed lungs for Respiration
- Having four limbs For locomotion
- Reptiles have Scales present on their skin
- They are cold blooded animal
- These animal are oviparous animal
- There scales made up of protein called Keratin
- these Animal maintain their body temperature by environment so called ectothermic animal
- Fertilization is internal
- Having three Chambered heart beside crocodile having four chambered
- These animal Lack hair on Skin
- They Are Came in under Tetrapoda having four limbs
- These animal are having spinal columns and a strong skeletal system with rib cage
- Presence of tail
- Internal fertilization occur
- Eye Present
- Having ear holes instead ears
- Having Brain
- Sizes Varies
- Digestive system complete
- Having  2 pair pentadactyl limbs
- 12 pair cranial nerve
- There body divided into head, neck and trunk
- Endoskeleton bony