grade 5

An organism that makes it's own food

• food chain

• food web

• consumer

• producer

Several linked food chains

• ecosystem

• consumer

• food web

• Tundra

Seabirds build their nests

• On the water surface

• on the top of mountain cliffs

• deep down into the sea

The suitable habitat for microorganisms to survive is

• hot water

• cold water

• warm water

If the climate change is suitable, the population of a species

• will not be affected

• will increase

• will decrease