Biogeochemical Cycles

Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?

• Precipitation
• Photosynthesis
• Respiration
• Bioremediation

Tags

NGSS.MS-LS1-6

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

Organisms use nitrogen to form

• carbohydrates and lipids
• proteins and lipids
• lipids and nucleic acids
• proteins and nucleic acids

Which of the following processes converts C₆H₁₂O₆ (glucose) to an inorganic molecule CO₂

• translation
• photosynthesis
• cellular respiration
• excretion

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-7

Carbon dioxide is added to the atmosphere by

• Burning fossil fuels 
• Cellular respiration
• Decomposing organic matter
• All answers are correct

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-7

NGSS.HS-ESS2-6

When nitrogen gas from the atmosphere is turned in to a form that plants and animals can use is called

• Combustion

• Photosynthesis

• Decomposition

• Nitrogen Fixation

Which of the following is a consequence of excess carbon building up in Earth’s atmosphere?

• The amount of breathable oxygen available to living things decreases
• Global temperatures change, affecting normal weather patterns.
• The amount of solar energy reaching the earth’s surface decreases.
• Global air pressure increases making it more difficult for plants and animals to breathe.

Tags

NGSS.MS-ESS3-5

Where is most water found on Earth?

• glaciers
• lakes
• rivers
• oceans

Tags

NGSS.MS-ESS2-4

Identify the cycle pictured.

• The Water cycle
• The Carbon cycle
• The Nitrogen cycle
• This is not a correct diagram of any cycle.

Tags

NGSS.MS-LS1-6

In the food web, which organisms release the carbon from dead things back into the environment?

• Producers
• Consumers
• Scavengers
• Decomposers

Tags

NGSS.MS-LS2-3