Lesson Check_ Role of Decomposers

How do decomposers help plants?

• They help with photosynthesis.

• They enrich the soil.

• They provide oxygen.

• They hold water.

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NGSS.MS-LS2-3

(a)   can sprout from the soil like plants, but cannot make its own food.

Energy and other materials from dead organisms are recycled back into the soil by ______.

• producers

• herbivores

• omnivores

• decomposers

Tags

NGSS.MS-LS2-3

Organisms, such as fungi and __________, that break down dead organisms and return them as nutrients to the soil, are known as __________.

(a)  

People can help nature recycle plant material by composting. People use compost in their gardens. How does placing compost in your garden improve the natural environment?

• It makes the soil harder.

• It makes the soil unusable.

• It helps keep insects away.

• It makes the soil rich in nutrients.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Fill in the blanks using the available answer choices. (a)   break down decaying material in an ecosystem.

Tags

NGSS.MS-LS2-3

The job of decomposers is to break down dead plants and animals into useful substances. This job is their ______.

• adaptation

• skill

• niche

• habitat

Predict how drought could affect the amount of food for each organism shown in the model.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Predict how the ecosystem would be affected if the decomposers shown in the model die.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4