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Nutrient Cycles in the Ecosystem

Authored by Lisa Thompson

Science

9th Grade

NGSS covered

Used 2+ times

Nutrient Cycles in the Ecosystem
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is this a picture of?

Nitrogen cycle

carbon cycle

water cycle

plant cycle

Tags

NGSS.MS-ESS2-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A biogeochemical cycle explains:

The formation of stars and planets.

why certain animals are known as keystone animals.

the flow of chemical elements between living organisms and the environment.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Matter can recycle through the biosphere because

matter does not change into new compounds.

matter is assembled into chemical compounds.

biological systems do not use up matter, they transform it.

biological systems use only carbon, oxygen, hydrogen, and nitrogen.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a lake receives a large input of a limiting nutrient, which of these would happen first?

An algal bloom occurs.

Algae begin to die and decomposers take over.

Nitrogen compounds are recycled.

The concentration of oxygen drops below the necessary level.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a limiting nutrient in an aquatic ecosystem?

Nitrogen

Carbon

Water

Oxygen

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nitrogen fixation is carried out primarily by

humans.

plants.

bacteria.

consumers.

Tags

NGSS.MS-LS2-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The movements of energy and nutrients through living systems are different because

energy flows in one direction, and nutrients recycle.

energy is limited in the biosphere, and nutrients are always available.

nutrients flow in one direction, and energy recycles.

energy forms chemical compounds, and nutrients are lost as heat.

Tags

NGSS.MS-LS2-3

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