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- 1. Multiple Choiceoxygen is a gas produced by _ and used by _plants and animalsphotosynthesis and carbon dioxideanimals and plantscarbon dioxide and photosynthesis
- 2. Multiple Choiceif there is a fire in a forest, there will be less _ in the environment?nitrogenoxygen
- 3. Multiple ChoiceAll of the carbon in existence is continually recycled in the carbon cycleTrueFalse
- 4. Multiple ChoiceHow is the burning of fossil fuels related to global warming?MagicFuels are hotGreenhouse effectPhotosynthesis
- 5. Multiple ChoiceWhich of the following removes carbon from the atmosphere?CombustionRespirationPhotosynthesisDeath
- 6. Multiple ChoiceWhich of the following is an example of a decomposer?OwlFishTreeMushroom
- 7. Multiple ChoiceOrganisms that do not decompose can be buried and become what?waternutrientsairfossil fuels
- 8. Multiple ChoiceWhich process converts carbon in the form of sugar into carbon dioxide gas?BioremediationPhotosynthesisRespirationTranspiration
- 9. Multiple ChoiceIf the plant population decreased, the amount of carbon would _________.Stay the sameIncreaseDecrease
- 10. Multiple Choicecarbon dioxide is a gas produced by ________ and used by __________plants and animalscarbon and photosynthesisanimals and plantsphotosynthesis
- 11. Multiple Choice
Which describes the relationship between plants and animals in the carbon cycle?
Plants produce and release oxygen that animals need
Plants produce and release carbon dioxide that animals need
Animals produce and release oxygen that plants need
Animals produce oxygen that plants turn into carbon dioxide
- 12. Multiple Choice
Which is a true statement?
Humans depend on oxygen, plants depend on carbon dioxide
Plants produce carbon dioxide
Humans depend on carbon dioxide, plants depend on oxygen
Humans don't depend on plants for the air they need
- 13. Multiple Choice
Plants use ____________ to make their own food
Water
Sunlight
Carbon dioxide
All of these
- 14. Multiple Choice
Which gas do plants release, that humans depend on for survival?
Water
Carbon Dioxide
Oxygen
Sugar
- 15. Multiple Choice
C6H12O6 is also known as glucose (sugar). Where is it found?
Plants
Animals
Both plants and animals
Neither plants or animals
- 16. Multiple Choice
Carbon molecules cannot be created or destroyed
True
False
Not enough information to answer
- Answer choicesTagsAnswer choicesTags