Biogeochemical Cycles

Front

What six elements cycle between living and non-living organisms?

Back

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur

Front

Mnemonic device to remember the six elements that life needs to survive?

Back

CHNOPS

Front

Why is carbon important to life?

Back

It is good at bonding and builds complex materials.

Front

Why is nitrogen important to life?

Back

It makes amino acids and protein, and makes up genetic material.

Front

Which of the following is NOT a way that carbon is cycled in the Serengeti? Photosynthesis, Respiration, Decomposition, Nitrogen Fixation

Back

Nitrogen Fixation

Front

Where is most of the Earth's nitrogen stored?

Back

Atmosphere

Front

Where is most of Earth's phosphorus stored?

Back

Rock

Front

What is the role of nitrogen-fixing bacteria in the nitrogen cycle?

Back

They convert nitrogen gas into ammonia.

Front

How does the use of fertilizer affect the phosphorus cycle?

Back

It increases the phosphorus content of water through surface runoff, leading to excessive algae growth.

Front

What is a carbon reservoir?

Back

A place where carbon can be found.