Ecosystems Pop Quiz (Week II)

What is an Ecosystem?

Why are rainforests important?

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Why do scientists call rainforests the lungs of the earth?

• Most rainforests are shaped like human lungs.

• The trees in the rainforests take in large amounts of carbon dioxide and produce much of the oxygen we breathe.

• If you listen closely enough, you can hear all the animals breathing in the rainforest.

• Rainforests are very damp places.

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What are the two Types of Ecosystems?

• Terrestrial and Land

• Terrestrial and Aquatic

• Aquatic and Grassland

• Forest and Grassland

Give one example of a Terrestrial Ecosystem.

How are rain drops falling from the sky connected to the bodies of water on the surface of Earth?

What type of cycle is this?

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Describe what is happening in this diagram.

What kind of cycle is this called?

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How do animals provide carbon dioxide for plants?

• Animals create coal, which plants to grow.

• When animals die, their carbon is absorbed immediately by plants.

• Animals release carbon dioxide when they breathe out, which plants use for photosynthesis.

• Animals do not provide carbon to plants.

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The air and soil contain nutrients that living things need to grow and survive, including nitrogen. How are most animals able to get nitrogen?

Hint: Consider how you get the nutrients your body needs!

• By eating soils and minerals.

• By eating plants or by eating animals that eat plants.

• By breathing.

• They are not able to.

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The bodies of living things contain nutrients they have taken in. Decomposers are special organisms—such as fungi and worms — that break down living things when they die.

In doing so, what role do decomposers play in the cycling of matter?

• They help return nutrients to the soil.

• They create phosphorus.

• They remove oxygen from the air.

• They do not play a role in the cycling of matter.

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