Biogeochemical Cycles

Front

What is the largest reservoir for nitrogen?

Back

The atmosphere.

Front

Which is NOT a process of the water cycle?

Back

Freezing.

Front

What is nitrogen fixation?

Back

The process in which certain bacteria convert nitrogen gas into ammonia.

Front

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

Back

Runoff and leaching.

Front

How is phosphorus released from rock?

Back

Through weathering.

Front

What are biogeochemical cycles?

Back

Natural processes that recycle nutrients in various chemical forms from the environment to living organisms and back to the environment.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Front

What role do bacteria play in the nitrogen cycle?

Back

Bacteria are essential for processes like nitrogen fixation, nitrification, and denitrification.

Front

What is runoff?

Back

Water that flows over the ground surface and returns to bodies of water.

Front

What is leaching?

Back

The process by which soluble substances are washed out from the soil.