Question

give diagnostic characters of class reptilia

Answer 1

1. they fertilise eggs internally

2.they are cold blooded

3.Body covered with scales

4.respiration by lungs.

5.12 pairs of cranial nerves

6. they are creeping and burrowing types...

Hope it will help u ☺

Answer 2

Reptilia : ( Repere = to creep or to crawl )

1) They are crawling animals .

2) These are the first true terrestrial

vertebrates .

3) Few may be aquatic or semi -

aquatic , also found in marshy.

areas.

4) They are poikilotherms.

5) Skin is dry.

6) Locomotion occurs by limbs.

7) External ear is absent.

8) Circulatory system is of close type.

9) Heart is ventral in position.

10) They show respiration by lungs.

11) Fertilization is internal.

12) They are oviparous.

13) Sexes are separate.

14) Most reptiles lay shelled eggs on

land .

15) They crawl on their belly.