Some animals, such as most amphibians, look completely different to their adult when they are born and go through a big change to become an adult, called _____________.

Dolphins and whales are actually ____________, not fish!

__________ are baby animals.

These birds, reptiles and mammals have offspring that look like their adult when they're born, but ______________ don’t.

Mammals usually have hair or fur. ____________ are born alive.

Dolphins and whales live in water and have fins and a tail. They breathe air through a ____________. They have to come to the surface to do this.

Amphibians live on land and in water. They __________ in water.

Some animals look totally different to their adult when they are born and must go through many __________ to finally look like the grown-up animals.

Echidnas and platypus are found in countries such as New Zealand and Australia. They are ________ but they lay eggs rather than giving birth to live young.

Reptiles live in water and on land. They have scales and are ___________.

Some animal lay eggs which ______ into offspring.

Birds have a beak, wings, ___________ and 2 legs. They lay eggs.

Fish live in water. They have ________ instead of legs and _______ instead of lungs.