Ecosystem Ecology

Identify the process that occurs during the nitrogen cycle that makes nitrogen directly accessible to plants.

• Nitrification

• Nitrogen fixation

• Denitrification

• Ammonification

Tags

NGSS.MS-LS2-3

This process, dependent on bacteria, releases nitrogen gas back into the atmosphere.

• Nitrification

• Nitrogen fixation

• Denitrification

• Ammonification

Tags

NGSS.MS-LS2-3

Other than photosynthesis, what biotic process is vital to the carbon cycle?

• Cellular respiration

• Transcription

• Transpiration

• Combustion

Identify the missed one

• Epitome

• Biome

• Paratome

• Parasite

Tags

NGSS.MS-LS2-2

This process removes carbon from the atmosphere?

• combustion

• cellular respiration

• photosynthesis

• decomposition

Tags

NGSS.MS-LS1-6

This is the only nutrient that is NOT cycled through the atmosphere?

• carbon

• nitrogen

• phosphorous

• water

Tags

NGSS.MS-ESS2-1

This is released by the weathering of rocks.

• Carbon

• Oxygen

• Phosphorus

• Nitrogen

Where is the most nitrogen found (i.e. the largest reservoir)?

• the ocean

• rocks and minerals

• the atmosphere

• bacteria

Tags

NGSS.MS-LS2-3

Human activity can increase carbon ( CO₂ ) levels in the atmosphere through

• Photosynthesis

• Burning of fossil fuels

• Planting more trees

• Adding nitrogen to fertilizer.

Tags

NGSS.MS-ESS3-4

What is this a picture of?

• Nitrogen cycle

• carbon cycle

• water cycle

• plant cycle