Biogeochemical Cycles

Which is NOT a process of the water cycle?

• precipitation
• freezing
• transpiration
• evaporation

The process of plants losing water through their leaves is called ____.

• condensation
• evaporation
• transpiration
• exhaling

Why do living things need nitrogen?

• To get energy

• To make amino acids

• To make proteins

• To make proteins AND amino acids

What is the only process that removes carbon from the atmosphere?

• combustion
• cellular respiration
• photosynthesis
• decomposition

Where is carbon stored in the environment?

• Fossil fuels
• Wood of trees
• Calcium carbonate (shells and bones)
• All of the above

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

• bacteria
• fungi
• rain

Which nutrient is not cycled through the atmosphere?

• carbon
• nitrogen
• phosphorous
• water

This is released by the weathering of rocks.

• Carbon
• Oxygen
• Phosphorus
• Nitrogen

What cycle are fossil fuels part of ?

• carbon

• oxygen

• nitrogen

• phosphorus

Where is the largest reservoir for the phosphorus cycle?

• rocks and minerals

• the ocean

• the atmopshere

• fossil fuels