Nitrogen & Carbon Cycle

Where is Carbon found in ecosystems? Choose the best answer.

• in all living things

• in the soil

• in rocks and dirt

• in the biosphere

What process is responsible for helping plants use Carbon?

• Carbon Dioxide Cycle

• Cellular Respiration

• Photosynthesis

• Nitrogen Cycle

Tags

NGSS.MS-LS1-6

In the Nitrogen cycle, what takes place first?

• Plants absorb the N₂ from the atmosphere

• plants receive nitrogen by decomposing

• organisms receive nitrogen by eating other plants/animals

• plants move nitrogen into the soil

Tags

NGSS.MS-LS2-3

In the book, it explained how Carbon can be transformed into fuels. What fuels can Carbon be transformed into?

• coal & oil

• hydrogen & carbon

• aluminum & methane

• ethanol & methanol

In the Carbon Cycle, what is the first step?

• Plants die & decompose

• Carbon is transformed into fuels

• Carbon is transferred back into the soil

• Plants take in carbon dioxide through photosynthesis

Tags

NGSS.MS-LS1-6

How are Carbon & Nitrogen returned back into the soil?

• decomposition of plants/animals

• through sunlight

• when organisms eat plants

• when organisms eat one another

Tags

NGSS.MS-LS2-3

How is Carbon and Nitrogen transferred from organism to organism in an ecosystem?

• its transferred when organisms die

• its transferred when one organism eats another

• its transferred during respiration

• its transferred through cars

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which process is responsible for helping in converting harmful nitrogen gas into a useful mineral for plants in the soil?

• denitrification

• cellular respiration

• photosynthesis

• evaporation

Which describes a way Carbon is released back into the atmosphere?

• through precipitation

• through the burning of fossil fuels

• through assimilation

• through nitrogen fixation

Which of the following is a step in the Carbon Cycle? Mark all that apply.

• plants take in carbon through photsynthesis

• rain droplets evaporate and rise to form clouds

• carbon is released back into the atmosphere through respiration &/or burning of fossil fuels

• nitrogen gas is absorbed by plants

• through decomposition, carbon is transferred back into the geosphere

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3