1
Class of animals which live both in the land as inthe water.
2
Some cold-blooded animals which have the skin covered with scales.
3
Class of animals in which the females feed the young with their own milk
4
any living organism with specialized sense organs enabling rapid response to stimulus
5
The kind of creatures which live in the water and breathe through gills.
6
Two-legged and feathered creatures which have a beak and two wings with which can fly.
