CA3 Study Guide Biogeochemical Cycles

Front

What is the largest reservoir for water?

Back

The ocean.

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NGSS.MS-ESS2-4

Front

Why do living things need nitrogen?

Back

To make amino acids for proteins.

Front

What two things does respiration (happening in the mitochondria) do?

Back

Takes oxygen and makes Carbon Dioxide.

Tags

NGSS.MS-LS2-3

Front

What is released by the weathering of rocks?

Back

Phosphorus.

Front

How is carbon dioxide added to the atmosphere?

Back

Burning fossil fuels, Cellular respiration, Decomposing organic matter - All answers are correct.

Front

What is a biogeochemical cycle?

Back

A pathway by which a chemical substance moves through biotic and abiotic compartments of Earth.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

What role do plants play in the carbon cycle?

Back

Plants absorb carbon dioxide during photosynthesis and release oxygen.

Tags

NGSS.MS-LS1-6

Front

What is the nitrogen cycle?

Back

The process by which nitrogen is converted between its various chemical forms, including fixation, nitrification, and denitrification.

Front

What is the significance of phosphorus in ecosystems?

Back

Phosphorus is essential for the formation of DNA, RNA, and ATP, and is a key nutrient for plant growth.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Front

How do humans impact the nitrogen cycle?

Back

Through the use of fertilizers, which can lead to excess nitrogen in ecosystems.