Understanding Biogeochemical Cycles

What are biogeochemical cycles essential for?

• Recycling nutrients in the environment

• Producing energy for ecosystems

• Creating new species

• Destroying harmful bacteria

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which element is NOT mentioned as part of the biogeochemical cycles in the passage?

• Carbon

• Nitrogen

• Phosphorus

• Oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What process is NOT part of the nitrogen cycle?

• Nitrogen fixation

• Nitrification

• Denitrification

• Photosynthesis

What is a major environmental issue caused by the disruption of the nitrogen cycle?

• Eutrophication

• Global warming

• Deforestation

• Acid rain

Tags

NGSS.MS-LS2-3

How is phosphorus primarily released into the environment according to the passage?

• Through weathering of rocks

• By volcanic eruptions

• Through animal waste

• By atmospheric deposition