Question

What Are The Main Features Of Reptilia ?​

Answer 1

Answer:

1. They belong to class tetrapoda.
2. They have five claws in each limb.
3. Their body is covered by dry, cornified skin, epidermal scales, bony scutes.
4. They are first successful terrestrial animal.
5. They usually have 3 chambered heart (except Crocodiles)
6. Skull is monocondylic
7. Teeth are homodont, polyphyodont and mostly pleurodont.
8. Their skin is non-glandular.
9. Tympanum represents ear.
10. They have one pair metanephric kidney.
11. 12 pair cranial nerves.
12. Sexes are separate.
13. They are cold- blooded animal.
14. They are oviparous.
15. Their egg is megalecithal.
16. Development is direct i.e larval stage is absent

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Answer 2

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➡They mainly live on land or in hot climate

➡They have scales on their body

➡They are cold blooded animals

➡They breath through lungs

➡Most of them have a three chambered heart but crocodiles have a four chambered heart

➡They lay eggs with you tough coverings . They do not need to lay eggs in water