Biogeochemical Cycles

Front

What process do consumers use to release carbon dioxide back into the atmosphere?

Back

Cellular respiration.

Front

True or False: Plants and consumers depend on each other.

Back

False.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Front

What must happen to nitrogen before it can be used by plants?

Back

It must be fixed.

Tags

NGSS.MS-LS2-3

Front

How do carbon and methane, as greenhouse gases, affect temperature?

Back

They increase temperature and make it hotter.

Tags

NGSS.MS-ESS3-5

Front

Which of the following is NOT a way humans affect the nitrogen cycle: fertilizer runoff, runoff water from urban areas, eutrophication, or methane from cattle?

Back

Methane from cattle.

Front

Define biogeochemical cycles.

Back

Natural processes that recycle nutrients in various chemical forms from the non-living environment to living organisms and back.

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is the role of photosynthesis in the carbon cycle?

Back

Photosynthesis allows plants to absorb carbon dioxide and convert it into glucose, releasing oxygen as a byproduct.

Tags

NGSS.MS-LS1-6

Front

What is nitrogen fixation?

Back

The process of converting nitrogen gas from the atmosphere into ammonia or related compounds in soil.

Tags

NGSS.MS-LS2-3

Front

Name one human activity that contributes to the carbon cycle.

Back

Burning fossil fuels.

Front

What is the significance of decomposers in biogeochemical cycles?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and making them available for plants.

Tags

NGSS.MS-LS2-3