The world of living things

_______ are the only living things that can make their own food.

• Animals

• Plants

• Humans

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

• Nitrogen

• Hydrogen

• Oxygen

A Rabbit has _____ on its body.

• fur

• hides

• scales

A leopard has ____ on its body.

• Stripes

• lines

• spots

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

• Herbivores

• Carnivores

• Scavengers

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

• camouflage

• adaptation

• hibernation

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

• adaptation

• camouflage

• hibernation-

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

• body

• hide

• shell

Camels and horses pull _____.

• chairs

• carts

• cartoons

Humans have a highly developed _________.

• lungs

• heart

• brain