Science Unit 5 (Ecosystems)

True or false: only living things interact in an ecosystem.

• TRUE

• FALSE

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What might an organism do if there is a change to its ecosystem?

• Move

• Die

• Adapt to new conditions

• All of these

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The THREE things animals need to survive in an ecosystem are:

• food

• water

• other organisms

• shelter

• soil

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Ecosystems depend on many organisms to keep them in balance. What happens when that balance is disrupted?

• Organisms restore the balance.

• Organisms thrive.

• Organisms may die.

• Nothing changes.

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What is an example of a living thing causing change to an ecosystem? Choose 3.

• People cutting down forests a destroying animal homes.

• Groundhogs digging tunnels and disrupting other animals' homes.

• Beavers making dams and flooding other animals' homes.

• Forest fire burning down trees where animals live.

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What is a community of living things interacting with their environment?

• living things

• ecosystem

• predator

• prey

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What is an example of a living and nonliving thing interacting in an ecosystem? Choose two.

• A frog jumping on a rock.

• A rock thrown into a creek.

• A fish swimming in a pond.

• A caterpillar going through metamorphosis.

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In a food chain, food of almost any kind could be traced back to what?

• grass

• cow

• sun

• air

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True or false: animals eat other animals to get energy and building blocks to help them grow and repair.

• TRUE

• FALSE

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Which is an example of a producer?

• lettuce

• mouse

• human

• fish

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