Which among the following is incorrect about Mammals?
A. They are mostly terrestrial and feed their young ones with milk
B. Scales are absent, instead hairs, sweat and oil glands on skin
C. They respire through lungs and their heart is four-chambered
D. Bats are the only mammals that lay eggs and feed their young ones with milk
Answer:D
Which among the following is incorrect about Mammals?
A. They are mostly terrestrial and feed their young ones with milk B. Scales are absent, instead hairs, sweat and oil glands on skin C. They respire through lungs and their heart is four-chambered D. Bats are the only mammals that lay eggs and feed their young ones with milk