Which of the following features is common between birds and mammals?

Question

Which of the following features is common between birds and mammals? (A) Pigmented skin and bony endoskeleton (B) Pulmonary respiration and four-chambered heart (C) Viviparity and 12 pairs of cranial nerves (D) Homeotherms and four-chambered heart

Tardigrade Admin · Accepted Answer

Birds and mammals are homeotherms. Birds are warm-blooded, which means that they can maintain their own body temperature irrespective of the surrounding. This feature is evolved in them due to the development of a 4-chambered heart.

Q. Which of the following features is common between birds and mammals?

Pigmented skin and bony endoskeleton

Pulmonary respiration and four-chambered heart

Viviparity and 12 pairs of cranial nerves

Homeotherms and four-chambered heart

Birds and mammals are homeotherms. Birds are warm-blooded, which means that they can maintain their own body temperature irrespective of the surrounding. This feature is evolved in them due to the development of a 4-chambered heart.