name the class o vertebrates which lay eggs with shells.

Q. Reptiles lay hard shelled eggs.

Q. The vertebrate animal which is not egg laying is

Q. Animals of ___________ possess a four-chambered heart and lay eggs with a brittle shell. They are warm-blooded.

Q. Name the mammal that lay eggs.

Q.

Organisms which have a hard scaly skin and lay eggs outside water, belong to the class