Biogeochemical Cycles

Front

What is this a picture of? Nitrogen cycle, carbon cycle, water cycle, plant cycle

Back

Nitrogen cycle

Front

How does N₂ get into soil?

Back

N₂ diffuses into the pore spaces between the soil particles

Front

How does carbon dioxide leave the atmosphere?

Back

Through photosynthesis

Front

Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?

Back

Photosynthesis

Front

These gases, such as carbon dioxide, trap heat in the Earth's atmosphere causing global warming

Back

Greenhouse gases

Front

Respiration is the process by which ____________ is consumed and _______________ is produced.

Back

Oxygen is consumed and Carbon dioxide is produced.

Front

A particular golf course is using large amounts of nitrogen fertilizer. What process could move this nitrogen into a local stream?

Back

runoff

Front

Growing legumes such as alfalfa or soy beans increases

Back

nitrogen fixation

Front

Which of the following describes the role of nitrogen-fixing bacteria in the nitrogen cycle? Nitrogen-fixing bacteria convert: nitrates into nitrogen gas, ammonia into proteins, nitrogen gas into ammonia, proteins into nitrates

Back

nitrogen gas into ammonia

Front

Organisms use nitrogen to form

Back

proteins and nucleic acids