Biogeochemical cycles

Front

What process is shown by letter B in the diagram?

Back

evaporation

Front

The process in which water vapor is released into the air through the stoma on the leaves of plants is called __________. Options: Evaporation, Transpiration, Precipitation, Condensation

Back

Transpiration

Front

Combustion is another word for _______________.

Back

burning

Front

When humans burn fossil fuels, most of the carbon quickly enters the _______ as carbon dioxide. Options: Water, Atmosphere, Surrounding organisms, Ground

Back

Atmosphere

Front

What do the water, carbon, oxygen, nitrogen, and phosphorus cycles have in common?

Back

All involve the constant cycling of substances between animals, plants, and the Earth.

Front

How do animals get the nitrogen they need?

Back

From the food they eat.

Front

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

Back

bacteria

Front

The process where excess nutrients (likely nitrogen or phosphorus) enter a body of water causing overgrowth of aquatic plants and algae...

Back

Eutrophication

Front

The process of converting fixed nitrogen back into nitrogen gas is called -

Back

denitrification

Front

Because nitrogen and phosphorus is required for growth but can often be scarce or cycled too slowly, it is considered an essential ___

Back

limiting nutrient