Biogeochemical Cycles Review

Where does phosphorous come from in the phosphorous cycle?

• The atmosphere

• The ocean

• Rock and soil

• Living organisms

This process uses carbon dioxide from the atmosphere to make sugars...

• Respiration

• Photosynthesis

• Evaporation

• Denitrification

Select all the cycles that involve the atmosphere.

• The water cycle

• The carbon cycle

• The nitrogen cycle

• The phosphorous cycle

Going from liquid water to water vapor...

• Condensation

• Precipitation

• Infiltration

• Evaporation

Water loss from plants...

• Transpiration

• Denitrification

• Evaporation

• Precipitation

Water vapor turns back into a liquid, forming clouds...

• Evaporation

• Respiration

• Assimilation

• Condensation

Rain, snow, hail, sleet are all examples of...

• Condensation

• Precipitation

• Evaporation

• Infiltration

Humans burn these, releasing tons of carbon dioxide into the atmosphere...

• Producers

• Dead organic matter

• Fossil fuels

• Decomposers

True or false: Living organisms are able to use the nitrogen in the atmosphere.

• True

• False

The process of taking nitrogen from the air and turning it into a usable form...

• Denitrification

• Nitrogen-fixing

• Evaporation

• Condensation