Nitrogen

According to this diagram, animals get proteins from eating ________________________

• decomposers

• bacteria

• plants

• sunlight

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NGSS.MS-LS2-3

The process that allows organisms to use nitrogen

• assimilation

• denitrification

• fixation

• ammonification

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NGSS.MS-LS2-3

Bacteria fix nitrogen from the atmosphere into a form plants can use.

• True

• False

What do free living bacteria in the soil do?

• Make clouds

• Turn atmospheric nitrogen into nitrates

• Make carbon dioxide for plants to go through photosynthesis

• Help plants take in water

Tags

NGSS.MS-LS2-3

Organisms that need nitrogen to survive.

• only plants

• only animals

• only bacteria

• all living things

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Which organisms are responsible for nitrogen fixation?

• Fungi and algae

• Plants and animals

• Viruses and protists

• Bacteria and archaea

What is the process of nitrification?

• The process of nitrification involves the conversion of ammonia to nitrate and then to nitrite by bacteria.

• The process of nitrification involves the conversion of nitrate to nitrite and then to ammonia by bacteria.

• The process of nitrification involves the conversion of nitrite to ammonia and then to nitrate by bacteria.

• The process of nitrification involves the conversion of ammonia to nitrite and then to nitrate by bacteria.

Tags

NGSS.MS-LS2-3

What is the significance of the nitrogen cycle?

• It helps in the production of oxygen.

• It helps in the decomposition of organic matter.

• It helps in the recycling of nitrogen, which is essential for plant and animal life.

• It helps in the production of carbon dioxide.

Tags

NGSS.MS-LS2-3

How does the nitrogen cycle contribute to the growth of plants?

• The nitrogen cycle provides plants with essential nitrogen nutrients.

• The nitrogen cycle improves water absorption.

• The nitrogen cycle increases the pH level of the soil.

• The nitrogen cycle helps plants absorb carbon dioxide for photosynthesis.

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the nitrogen cycle?

• Describes how nitrogen moves through the environment between living things, the soil, and the atmosphere.

• Describes the movement of water between Earth and its atmosphere.

• An idealized model that explains the development of relief in landscapes

Tags

NGSS.MS-LS2-3