Biogeochemical Cycles

Front

In the carbon cycle, producers take in the gas __

Back

carbon dioxide

Front

How do living organisms return carbon to the atmosphere in the carbon cycle?

Back

decomposition and respiration

Front

When nitrogen gas is turned into a form that plants and animals can use is called

Back

Nitrogen Fixation

Front

How do animals get nitrogen?

Back

eating other organisms

Front

What converts nitrogen into a useable form for plants and animals?

Back

bacteria

Front

Identify the cycle pictured. Options: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle

Back

The Carbon cycle

Front

Identify the cycle pictured: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle

Back

The Nitrogen cycle

Front

Identify the cycle pictured. Options: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle.

Back

The Phosphorus cycle.

Front

What is released by the weathering of rocks? Options: Carbon, Oxygen, Phosphorus, Nitrogen

Back

Phosphorus

Front

Which nutrient is not cycled through the atmosphere and stays only on ground level? Options: carbon, nitrogen, phosphorus, water

Back

phosphorus