How animals respond to heat and cold

Snakes, lizards and other reptiles are ______________

• warm-blooded

• cold-blooded

Snakes and other reptiles often _________ in the sun to warm their bodies.

• bask

• active

• insulator

Mammals and birds are ______________

• warm-blooded

• cold-blooded

Fur and feathers stop heat escaping. They are good _________

• bask

• active

• insulators

An elephant has big ears to keep its body warm

• True

• False

Mammals that live in cold habitats often have thick fur

• True

• False

A lizard cools its body by basking in the sun.

• True

• false

Penguins sometimes huddle in groups to keep warms.

• True

• False

Gerbils drink large amounts of water.

• True

• False

The hornet viper keeps its body cool in the hottest places by burying itself.

• True

• False