Energy and Matter Recycle

Which of the following removes carbon from the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Death

Combustion is another word for __________.

• Transportation
• Respiration
• Fossil Fuels
• Burning

What type of organism receives carbon present in dead plants and animals?

• producer

• primary consumer

• secondary consumer

• decomposer

In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.

• burning . . . photosynthesis

• fixation . . . decomposition

• decomposition . . . photosynthesis

• respiration . . . decomposition

• respiration . . . photosynthesis

Which of the following is an example of human impact on the carbon cycle?

• The increased production of methane gases from cattle farms

• The burning of fossil fuels

• The cutting down of trees for lumber

• Driving automobiles

• All of the above

If a forest fire occurs, what will happen to the carbon in the forest?

• It will go into the soil

• It will go into the atmosphere

• It will runoff into nearby streams and rivers

• It will be destroyed

By what method is the majority of carbon moved from the lithosphere (upper part of Earth's crust) to the atmosphere?

• Weathering

• Deposition

• The burning of fossil fuels

• Respiration

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

• Magic
• Fuels are hot
• Greenhouse effect
• Photosynthesis

Which of the following removes carbon from the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Death

oxygen is a gas produced by _____ and used by ________

• plants and animals

• photosynthesis and carbon dioxide

• animals and plants

• carbon dioxide and photosynthesis