An ecosystem is made up of _______ and ________ things.

• Living and nonliving
• Alive and dead
• Plants and animals
• Land and water

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NGSS.MS-LS2-3

Cutting down trees will ...

• have very little effect on the living things in the ecosytem
• affect most of the plants and animals in the ecosystem
• only affect animals that live in the trees of the ecosystem
• only affect animals that live in ecosystem

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A nonnative plant or animal that takes over an environment is a(n)

• producer
• consumer
• invasive species
• natural disaster

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

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

• Move

• Die

• Survive

• All of these

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NGSS.MS-LS2-4

True or false: Only living things interact in an ecosystem?

• True

• False

Tags

NGSS.MS-LS2-3

Why is the rainforest important?

• It is pretty

• It makes all of our oxygen

• It makes 40% of our oxygen

• It makes 6% of our oxygen

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What size can an ecosystem be?

• They have to be large

• They have to be small

• They can be large or small

What makes a healthy ecosystem?

• Balanced predator-prey relationships.

• Mostly predators

• Mostly prey

• Decomposers

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4