Question

Four characteristics of class Reptilia.

Answer 1

Some of the characteristics of class Reptilia are :

1. These animals are cold - blooded.

2. They have scales a d breathe through lungs.

3. Most of them have three - chambered heart but crocodiles have four chambered heart.

4. They lay eggs with tough coverings.


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Answer 2

1) Body varies in form and is usually divided into head , neck , trunk , and tail .

2) Tympanum is small and depressed .

3) Teeth are present in all reptiles expect in tortoise and turtles .

4) Respiration is through lungs only . No gills are present .