Nutrient Cycle

where do animals get nitrogen from?

• from the soil

• from the water they drink

• directly from the air

• from the plants they eat

High levels of which nutrients can lead to an algal bloom?

• Water

• Carbon

• Nitrogen

• Phosphorus

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Match the following

• conversion of nitrate into nitrogen gas

• Nitrogen Fixation

• absorbtion and incorportaion of nitrogen into plant and animal compounds

• Denitrification

• production of ammonia during the decay of organic matter

• Ammonification

• converts nitrogen gas into ammonia & nitrates

• Nitrification

• production of nitrates from ammonia

• Assimilation

Tags

NGSS.MS-LS2-3

What is the usable form of nitrogen that plants need according to this diagram?

• assimilation

• nitrites

• nitrates

• ammonification

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which organisms conduct nitrification?

• animals

• bacteria

• plants

• humans

This is NOT a part of the phosphorus cycle.

• Phosphate is incorporated into sedimentary rocks

• Phosphate bound to soil

• Atmospheric phosphate

• Phosphate is absorbed from the soil by plants

Which of the following statements is true of the phosphorus cycle?

• Phosphorus enters the atmosphere as phosphates.

• The phosphorus cycle utilizes the processes of erosion, and weathering.

• Phosphates are used in carbohydrate and glucose storage.

• The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.

Tags

NGSS.MS-LS2-3

_____ brings phosphorous into our waterways. .

• Precipitation

• Runoff

• Transpiration

• Condensation

Which process in the nutrient cycle involves the conversion of nitrogen gas from the atmosphere into a form usable by plants?

• Ammonification

• Nitrification

• Nitrogen Fixation

• Denitrification

In the carbon cycle, which process is responsible for the release of carbon dioxide back into the atmosphere?

• Photosynthesis

• Respiration

• Assimilation

• Nitrification

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5