Cycles of Matter in an Ecosystem

This image shows the _________ cycle.

• Carbon

• Oxygen

• Nitrogen

• Water

During the Carbon Cycle...

• carbon is stored in the soil.

• carbon is stored in plants.

• carbon is stored in the atmosphere.

• all of the above.

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is NOT true about systems that cycle matter?

• Living things play a role in the cycling of matter.

• Matter is not created as it cycles through the environment.

• Some matter is destroyed as it cycles through the environment.

• Matter is constantly cycling through the environment.

Tags

NGSS.MS-LS2-3

What is the function of bacteria in the Nitrogen Cycle?

• They prevent nitrogen from harming the plants.

• They remove nitrogen from the soil.

• They remove oxygen from the soil.

• They return nitrogen to the system.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The diagram shows the flow of organic molecules through an ecosystem. One process that occurs in this ecosystem is labeled X, and another that occurs is labeled Y.

Which two processes are identified as X and Y?

• X: respiration

  Y: predation

• X: adaptation

  Y: decomposition

• X: fermentation

  Y: nitrogen fixation

• X: decomposition

  Y: respiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does matter move among the living and nonliving parts of an ecosystem?

• matter is recycled within and between ecosystems

• one-way flow of energy

• two-way flow of energy only

• three-way flow of energy only

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the continuous movement of matter through the living and nonliving parts of an ecosystem called?

• Matter Cycle

• Nitrogen Cycle

• Geological Cycle

• Marvel Expanded Cycle

• Water Cycle

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

NGSS.MS-LS2-3

How do humans obtain the nitrogen they use in their bodies?

• by absorbing nitrogen found in the soil

• by breathing the nitrogen present in the atmosphere

• by absorbing ammonia from bacteria growing in the roots of plants

• by consuming plants or other animals

The two main gases that cycle through the Oxygen Cycle are...

• carbon dioxide and oxygen

• oxygen and nitrogen

• water and oxygen

• carbon dioxide and nitrogen

Precipitation is...

• water that changes from a gas to a liquid.

• water that falls from clouds.

• water that changes from a liquid to a gas.

• water that goes up to the atmosphere.

Tags

NGSS.MS-ESS2-4