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The main features of the class Reptilia. How can they be described according to examples of...

The main features of the class Reptilia. How can they be described according to examples of representative species, basic morphology, skin, respiration, circulation, nitrogen waste, thermal control and types of reproduction?

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Answer #1

Reptilia are comes under cold blooded animals.

Skin - cutaneous glands present in the skin and also keratin which prevents water loss from the body.

Respiration - By lungs.

Circulation - Done by three-chambered hearts(2 arteries and 1 ventricles), except crocodiles.

Nitrogen waste - Kidneys are metanephric.

Reproduction - oviparous - lay eggs that hatch outside the female’s body.

                       ovoviparous - they give birth to live young.

Thermal control - ectothermic or heliothermic

Examples - crocodilians, snakes, lizards etc

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