Biogeochemical Cycles

Carbon is removed from the atmosphere through

• respiration

• photosynthesis

• transpiration

• digestion

Tags

NGSS.MS-LS1-6

Burning of fossil fuels has the greatest impact on the

• carbon cycle

• phosphorus cycle

• water cycle

• nitrogen cycle

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

This process is responsible for excess nitrogen and phosphorus entering streams and oceans

• decay

• runoff

• animal waste production

• fossil fuel burning

Use of agricultural fertilizers adds excess _________ to ecosystems and can cause eutrophication

• oxygen

• carbon dioxide

• phosphorus and nitrogen

• water

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS3-4

Which of the following nutrients is never found in the atmosphere?

• oxygen

• carbon dioxide

• phosphorus

• nitrogen

Process that puts carbon dioxide in the atmosphere and produces energy?

• respiration

• photosynthesis

• digestion

• transpiration

Tags

NGSS.MS-LS1-6

The least abundant gas in the atmosphere is

• oxygen

• carbon dioxide

• phosphorus

• nitrogen

Water given off by plants through their leaves is which process?

• respiration

• photosynthesis

• transpiration

• digestion

Which of the following nutrients has to be removed or fixed from the atmosphere to the ground

• oxygen

• carbon dioxide

• phosphorus

• nitrogen

Which of the following is contributing to an overload of the carbon cycle?

• deforestation

• photosynthesis

• respiration

Tags

NGSS.MS-LS1-6