Biogeochemical cycles

Which of the following is true of biogeochemical cycles?

• They increase the total amount of matter over time.

• They can be affected by human activity.

• They ensure that nutrients are only used once by organisms.

• They create new atoms to replace lost ones.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

NGSS.MS-ESS2-1

Which term best represents process 5?

• evaporation

• condensation

• runoff

• precipitation

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NGSS.MS-ESS2-4

At point X, carbon is most likely to be in which form?

• Carbon dioxide

• Ammonia

• Liquid rain

• Carbohydrate

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following steps of the nitrogen cycle is pictured?

• Denitrifcation

• Nitrification

• Evaporation

• Ammonification

Tags

NGSS.MS-LS2-3

Which of the following is an example of how biogeochemical cycles are important to sustaining life?

• The atoms in water molecules are destroyed during a drought.

• Oxygen atoms are converted into carbon atoms during respiration.

• New carbon atoms are created during the carbon cycle.

• Nitrogen waste from an organism is converted into usable nutrients for others.

Tags

NGSS.MS-LS2-3

Which term best represents process 2?

• evaporation

• condensation

• transpiration

• precipitation

Tags

NGSS.MS-ESS2-4

Which of the following is NOT a process that drives the carbon cycle?

• Photosynthesis

• Cellular respiration

• Decomposition

• Ammonification

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which part of the nitrogen cycle is pictured by the arrow?

• Nitrogen fixation

• Ammonification

• Denitrification

• Nitrification

Tags

NGSS.MS-LS2-3

What do biogeochemical cycles represent?

• How the adaptations of organisms change based on environmental pressures

• How energy moves through trophic levels of an ecosystem

• How certain nutrients move through the environment and are continually used and recycled

• How biotic changes destroy unstable ecosystems

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following does NOT add carbon to the atmosphere?

• Photosynthesis

• Cellular respiration

• Decomposition

• Fossil fuel combustion

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

NGSS.MS-ESS3-4