CBSE Class 9 Biology Vertebrates

Q.

Reptiles breathe through the  



Q.

Which of the following is an adaptation in bird?



Q.

Cold-blooded animals



Q.

Which of the following is a marsupial?



Classification of Vertebrates

Discuss the features of different kinds of vertebrates such as, Pisces, Amphibia, Reptilia, Aves and Mammalia.