Animal Life Cycles and Characteristics

A_______ and a _______ are examples of amphibians.

A turtle and a snake are examples of ____________.

All birds have ________, _______ and two _________.

All fish live in ________. They have a _____ and _____ to help them swim around. Their bodies are covered in ______. They use ___________ to breathe.

• water

• fin

• tail

• scales

• gills

Although most birds can ________, some birds such as ____________ and ____________ are unable to fly.

• fly

• ostrich

• penguin

Some mammals _______ in water. These mammals cannot breathe underwater like _____ do because they do not have __________.

• live

• fish

• gills

A __________ and a _________ are examples of birds.

• falcon and parrot

• cat and dog

When the young hatch from the eggs, they breathe with their _____. As they grow into adults, they develop______ to help them breathe on land.

• lungs

• gills

A _________ and a _______ are examples of mammals.

• dog

• cat

All mammals have ________ or _______ on their body.

• fur

• hair