

List the three common nutrients
Where do plants obtain nutrients from?
Liquid water changes into vapor (gas) and enters the air through
Water returns to the earth by rain, hail, sleet, or snow by


How does nitrogen return to the soil?
In the long-term cycle, phosphorus is added to soil from weathering or erosion of rocks that contain phosphorus.
When a consumer eats a producer, the nutrients in the producer pass to the
What returns the nutrients to the cycle?
During photosynthesis, producers change carbon dioxide into
What gas is produced by photosynthesis?
Autotrophs and heterotrophs release carbon dioxide into the air through what process?
Organisms need what nutrient to produce proteins?
What process of capturing and changing nitrogen into a form that plants use?
How does nitrogen enter the food web?
The process where bacteria in the soil change nitrogen compounds into nitrogen gas is called
Phosphorus is used to make