Review for quiz biogeochemical cycles

In the nitrogen cycle, the bacteria that replenish the atmosphere with N2 are

• Denitrifying bacteria

• Nitrogen-fixing bacteria

• Nitrifying bacteria

• Ammonifying bacteria

Nitrogen fixation is carried out mainly by

• humans

• plants

• animals

• bacteria

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

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 is the largest reservoir for nitrogen?

• the ocean

• rocks and minerals

• the atmosphere

• bacteria

Photosynthesis is an important part of the ______ cycle

• Carbon

• Water

• Phosphorus

• Nitrogen

Decomposition is part of all cycles except _______

• the carbon cycle

• the nitrogen cycle

• the water cycle

• the phosphorus cycle

Snow, sleet, ice, hail, and rain are examples of _____

• evaporation

• condensation

• precipitation

• ground water