Biogeochemical Cycles Con Sci 9

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 nucleic acids only

• To make proteins only

• To make proteins AND nucleic acids

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

• combustion
• cellular respiration
• photosynthesis
• decomposition

A particular golf course is using large amounts of nitrogen fertilizer. What process could move this nitrogen into a local stream?

• volatilization
• nitrogen fixation
• runoff
• ammonification

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

What is the largest reservoir for water?

• the ocean

• rocks and minerals

• the atmosphere

• glaciers