Nutrient Cycles

Front

Nitrogen fixation

Back

The process of converting free nitrogen in the atmosphere into a usable form for plants.

Front

How does nitrogen become part of the food chain?

Back

Through the uptake of nitrogen compounds in the soil by plants.

Front

True/False: Plants can use nitrogen directly from the atmosphere.

Back

False

Front

The Nitrogen Cycle

Back

A biogeochemical cycle that describes the transformation and movement of nitrogen through the atmosphere, soil, and living organisms.

Front

True/False: Bacteria in the soil convert nitrogen in the atmosphere into a form that plants can use.

Back

True

Front

The Carbon Cycle

Back

The process by which carbon is exchanged between the atmosphere, land, water, and living organisms.

Front

Transpiration

Back

The process by which water is absorbed by plants and released as vapor into the atmosphere.

Front

Photosynthesis

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

Cellular respiration

Back

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

Phosphorous Cycle

Back

The cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.