Carbon and Nitrogen Cycle

What type of organism “fixes” the nitrogen for use by plants?

• Humans

• Plants

• Bacteria

• Aliens

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NGSS.MS-LS2-3

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Humans and other animals breathe in __________ and release carbon dioxide

• Carbon dioxide

• Carbon Monoxide

• Dihydrogen oxide

• Oxygen

Plants absorb ________________________ and release oxygen

• Carbon dioxide

• Carbon monoxide

• Vitamin X

• Oxygen

Tags

NGSS.MS-LS1-6

Which of the following release carbon into the atmosphere? (Select all correct answers)

• Forest fires

• Burning fossil fuels

• Photosynthesis

• Human and other animals breathing out CO2

Identify the cycle pictured.

• The Water cycle
• The Carbon cycle
• The Nitrogen cycle
• The Phosphorus cycle

Tags

NGSS.MS-LS1-6

What converts nitrogen into a useable form for plants and animals?

• bacteria
• fungi
• rain

Tags

NGSS.MS-LS2-3

When nitrogen gas is turned in to a form that plants and animals can use is called 

• Combustion
• Photosynthesis
• Decomposition
• Nitrogen Fixation

Identify the cycle pictured.

• The Water cycle
• The Carbon cycle
• The Nitrogen cycle
• The Phosphorus cycle

Tags

NGSS.MS-LS2-3

Plants use carbon dioxide in the process of _____________.

• decay

• shedding leaves

• photosynthesis

• respiration

Tags

NGSS.MS-LS1-6

A correct path that nitrogen could take would be

• air -> animals -> plants -> bacteria

• animals -> air -> bacteria -> plants

• bacteria -> air -> plants -> animals

• air -> bacteria -> plants -> animals

Tags

NGSS.MS-LS2-3

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