carbon cycle

What does NOT produce atmospheric carbon dioxide?

• Photosynthesis

• Burning Fossil Fuels

• Animal respiration

• Anything living in the ocean.

Tags

NGSS.MS-LS1-6

TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.

• True
• False

Tags

NGSS.MS-ESS2-1

Organisms that do not decompose can be buried and become what?

• water
• nutrients
• air
• fossil fuels

Tags

NGSS.MS-ESS3-1

NGSS.MS-LS4-1

The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?

• X : Respiration
  Y : Predation
• X : Adaptation
  Y : Decomposition
• X : Fermentation
  Y : Nitrogen Fixation
• X : Decomposition
  Y : Respiration

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?

• lower levels of ozone in the atmosphere
• lower levels of nitrogen in the atmosphere
• higher levels of carbon dioxide and other greenhouse gases in the atmosphere
• higher levels of oxygen in the atmosphere

Tags

NGSS.MS-ESS3-5

How is the burning of fossil fuels related to global warming?

• Magic
• Fuels are hot
• Greenhouse effect
• Photosynthesis

Tags

NGSS.MS-ESS3-5

NGSS.MS-ESS3-4

Which of the following is an example of a decomposer?

• Owl
• Fish
• Tree
• Mushroom

Tags

NGSS.MS-LS2-2

If the plant population decreased, the amount of total carbon on the planet would _________.

• Stay the same

• Increase

• Decrease

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following are fossil fuels?

• Coal, water, oil

• Oxygen, coal, oil

• Coal, Oil, Natural Gas

• None of the above

How does carbon become locked inside the earth?

• Tree roots expel carbon into the soil as they grow.

• Humans use machines to pump carbon dioxide into large underground rocks.

• Rocks become richer in carbon as time goes by.

• The carbon-rich bodies of plants and animals decay into the earth after they die.

Tags

NGSS.MS-LS2-3