At night plants breathe in ______ and breathe out carbon-dioxide.

A Rabbit has _____ on its body.

A leopard has ____ on its body.

Animals which eat the flesh of other animals are called _______.

Some animals such as polar bears and squirrels go off to sleep for many months at a stretch in winter is called ________.

The way in which animals merge with the surroundings is called _______.

When faced with danger tortoise pulls its face and feet into its ______.

Camels and horses pull _____.

Humans have a highly developed _________.

Animals which eat plants.

A duck has a _______ feet to swim in water.