Question

(6) Give scientific reason :
Though tortoise lives on land as well as in water, it cannot be included in class
Amphibia.​

Answer 1

Explanation:

Tortoises can't be regarded as amphibians though it lives both in water and land because it does not have smooth skins and breathe with the help of lungs all time. EXPLANATION: As tortoises have hard and scaly skin, breathe through lungs throughout their life time and has hard shell coatings in its egg.

Answer 2

Answer:

Though tortoise lives on land as well as in water it cannot be included in the class Amphibia.

It is classified under Reptilia.

Explanation:

Tortoise are classified under the class reptilia and not the class Amphibia as it has the following features:

1. The body is covered with scales.

2. Breathing occurs with lungs. The gills are not visible in any phase of life.

3. They do not lay eggs in water.

4. Their eggs are surrounded by hard shells and not by gelatinous coverings.

These features make tortoises reptiles and not amphibians.