Biogeochemical Cycles

According to the diagram, geologic activity, such as volcanoes,

• Increases the levels of CO₂ in the atmosphere.

• Decreases the levels of CO₂ in the atmosphere.

Tags

NGSS.MS-ESS2-2

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

• condensation

• evaporation

• transpiration

• exhaling

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Identify the cycle pictured.

• The Water cycle

• The Carbon cycle

• The Nitrogen cycle

• The Phosphorus cycle

Tags

NGSS.MS-LS1-6

Identify the cycle pictured.

• The Water cycle

• The Carbon cycle

• The Nitrogen cycle

• The Phosphorus cycle

Identify the cycle pictured.

• The Water cycle

• The Carbon cycle

• The Nitrogen cycle

• The Phosphorus cycle.

A correct path that nitrogen could take would be

• air -> animals -> plants -> bacteria

• animals -> air -> bacteria -> plants

• bacteria -> air -> plants -> animals

• air -> bacteria -> plants -> animals

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

In the carbon cycle, producers take in the gas __

• carbon dioxide

• oxygen

• nitrogen

• carbon monoxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis

•  decomposition and respiration

Which of the following processes is primarily responsible for the release of nitrogen gas back into the atmosphere in the nitrogen cycle?

• Nitrification

• Denitrification

• Ammonification

• Nitrogen fixation

Tags

NGSS.MS-LS2-3

In the water cycle, what is the process called when water vapor cools and changes back into liquid droplets?

• Evaporation

• Condensation

• Precipitation

• Transpiration

Tags

NGSS.MS-ESS2-4