Q. Which of the following is incorrect for Aves?
A) Heart is four chambered and animals are oviparous
B) Presence of air cavities in bones and presence of feathers on the body
C) Digestive tract has additional chambers and animals are homiothermous
D) The forlimbs are not modified into wings
Explanation
Mammary gland is a characteri-stic feature of class-mammalia
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.