Animals living in cold regions should have a lot of ____________ on their bodies.

Cuckoo lays eggs in the __________ nest.

All ___________things need food to live.

Rabbits make holes in the ground and these holes are called

_________ takes in oxygen from the air through their damp skins.

Earth worms make _________ inside the soil.

__________make their nest on the surface of the ground with the help of pebbles.

Pigs are kept in a 

Dogs live in a 

_________ takes in oxygen from the air through their damp skins.