Carbon Cycle

oxygen is a gas produced by _ and used by  _ 

• plants and animals 

• photosynthesis and carbon dioxide 

• animals and plants 

• carbon dioxide and photosynthesis

All of the carbon in existence is continually recycled in the carbon cycle

• True

• False

Which of the following removes carbon from the atmosphere?

• Combustion

• Respiration

• Photosynthesis

• Death

Which of the following is an example of a decomposer?

• Owl

• Fish

• Tree

• Mushroom

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

• water

• nutrients

• air

• fossil fuels

Which process converts carbon in the form of sugar into carbon dioxide gas?

• Bioremediation

• Photosynthesis

• Respiration

• Transpiration

If the plant population decreased, the amount of carbon in the atmosphere would _________.

• Stay the same

• Increase

• Decrease

carbon dioxide is a gas produced  by ________ and used by __________

• plants and animals 

• carbon and photosynthesis

• animals and plants 

• photosynthesis

Plants use ____________ to make their own food

• Water

• Sunlight

• Carbon dioxide

• All of these

C6H12O6 is also known as glucose (sugar). Where is it found?

• Plants

• Animals

• Both plants and animals

• Neither plants or animals