Biogeochemical Cycles

Front

____________ cycles connect biological, geological and chemical aspects of organisms in a biosphere

Back

Biogeochemical

Front

What type of organism converts nitrogen into a usable form for plants?

Back

bacteria

Front

Which statement is true of the biogeochemical cycle?

Back

All statements are true.

Front

Which of the following statements is true?

• Rocks are not a part of the biogeochemical cycle of phosphorus.
• Humans cannot impact the biogeochemical cycles of elements.
• Human activities can impact the biogeochemical cycle of phosphorus. When fertilizers are manufactured and applied on land, they can speed up the phosphorus cycle.
• Bacteria are not a part of the biogeochemical cycle of phosphorus.

Back

Human activities can impact the biogeochemical cycle of phosphorus. When fertilizers are manufactured and applied on land, they can speed up the phosphorus cycle.

Front

Biogeochemical cycle

Back

The movement of elements through organisms and the environment

Front

When water is used for irrigation, only about one-half can be used again. Much of this water is lost for use on land because it _____________ back into the air.

Back

evaporates

Front

What two processes fuel the carbon cycle?

Back

cellular respiration and photosynthesis

Front

CO2 is returned to the atmosphere by all methods EXCEPT: combustion, photosynthesis, decomposition, respiration.

Back

photosynthesis

Front

Soil bacteria are NOT responsible for which step in the nitrogen cycle? Options: assimilation., nitrogen fixation., ammonification, nitrification.

Back

assimilation.

Front

Your body needs nitrogen for which of the following? muscles, DNA, skin, all answers are correct

Back

all answers are correct