Assertion . All terrestrial vertebrates are air -breathers.
Reason . They have developed lungs for air breathing an adaptation for land life.

[A] : All terrestrial mammals are air breathers. [R]: Because of terrestrial habitat. they have well developed lungs for air breathing.

[A] : All terrestrial mammals are air breathers. [R]: Because of terrestrial habitat. they have well developed iungs ior air breathing.

[A] : All terrestrial mammals are air breathers. [R]: Because of terrestrial habitat. they have well developed iungs ior air breathing.

[A] : All terrestrial mammals are air breathers. [R]: Because of terrestrial habitat. they have well developed lungs for air breathing. a) If both A and R are true and R is the correct explanation of A b) If both A and R are true but R is not the correct explanation of A c) If A is true and R is false d) If both A and R are false

Why is lungs // air breathing advantageous?

Assertion : The neural organisation is very simple in lower invertebrates. Reason : The vertebrates have a more developed neural system.

Assertion. A variety of organisms are adapted for land life. Reason. Terrestrial organisms are independent of water.

State the name of the volume of air remaining in the lungs, after a normal breathing.