AP Biology: Nutrient Cycles

Front

What is this a picture of? Options: 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

Cellular respiration is the process by which ____________ is consumed and _______________ is produced.

Back

Oxygen is consumed and Carbon dioxide is produced.

Front

What process could move nitrogen from fertilizer into a local stream?

Back

runoff

Front

Growing legumes such as alfalfa or soy beans increases

Back

nitrogen fixation

Front

Role of nitrogen-fixing bacteria in the nitrogen cycle.

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Nitrogen-fixing bacteria convert nitrogen gas into ammonia.

Front

Organisms use nitrogen to form

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proteins and nucleic acids

Front

The nitrogen cycle is a biogeochemical cycle because it moves?

Back

between living things, the soil, and air