Survival of organisms

Which part of a plant absorbs water from the soil?

• stem

• leaves

• roots

Plants need sunlight, water, nutrients and space to ....

• survive

• hide

Why is a polar bears' fur white?

• To protect against cold

• To blend in with the white snow

• To be seen

What do some birds do when it gets cold in one region?

• They hibernate

• They migrate

• They camouflage

What do some animals do to survive cold winters?

• hibernate

• migrate

• camouflage

Which picture shows a pond ecosystem?

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• 
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Which picture shows a desert ecosystem?

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• 
• 

Which picture shows an ocean ecosystem?

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• 
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Which shelter belongs to a bird?

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An ecosystem includes only non living things

• True

• False