bio chapter 4

How is Nitrogen removed from the air and put into compound that living things can use?

• plants
• photosynthesis
• chemosynthesis
• nitrogen fixing bacteria

What happens to carbon dioxide levels in the atmosphere when we burn fossil fuels?

• carbon dioxide levels in the atmosphere rise
• carbon dioxide levels in the atmosphere fall
• carbon dioxide levels in the atmosphere stay the same

Which of the following add carbon dioxide to the atmosphere?

• volcanoes
• combustion of fossil fuels
• animal and plant respiration
• all of these

What is the process called that changes atmospheric nitrogen into compounds that are usable by living things?

• nitrogen fixation
• nitrogen breaking
• photosynthesis
• respiration

Which is NOT a process of the water cycle?

• precipitation
• freezing
• transpiration
• evaporation

Tags

NGSS.MS-ESS2-4

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

• condensation
• evaporation
• transpiration
• exhaling

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NGSS.MS-ESS2-4

The type of nitrogen that can be used by producers is called _____.

• free nitrogen
• nitrous oxide
• nitrogen gas
• nitrogen compounds

Which of the following describes the role of nitrogen-fixing bacteria in the nitrogen cycle? Nitrogen-fixing bacteria convert

• nitrates intro nitrogen gas
• ammonia into proteins
• nitrogen gas into ammonia
• proteins into nitrates

What is the process of rain, snow, or hail falling from the sky?

• evaporation

• condensation

• precipitation

• runoff

Tags

NGSS.MS-ESS2-4

Eutrophication is caused by

• excess nutrients building up in the water.

• industrial point-source pollution.

• unlined landfills and septic tanks.

• wastewater from homes mixing with drinking water.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

NGSS.MS-LS2-3

NGSS.MS-LS2-4