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Other Sciences
8th -
12thgrade
Carbon, Nitrogen, & Phosphorous Cycles
20 questions
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- 1. Multiple ChoiceWhen humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.WaterAtmosphereSunAir
- 2. Multiple ChoiceHow do living organisms return carbon to the atmosphere in the carbon cycle?respiration and photosynthesisdecomposition and respiration
- 3. Multiple ChoiceIn the carbon cycle, producers take in the gas __carbon dioxideoxygennitrogencarbon monoxide
- 4. Multiple ChoiceIn what process is Carbon transformed into chemical energy?PhotosynthesisRespirationPrimary ProductionSecondary Production
- 5. Multiple ChoiceWhat is happening at 1?respiration: releasing CO2decomposing CO2 in the soilphotosynthesis: absorbing CO2turning CO2 from the atmosphere into organic molecules
- 6. Multiple ChoiceWhat is the role of decomposers in an Ecosystem?They recycle matter and nutrients to form fossil fuelsThey are burn and release as carbon dioxideDecomposers are responsible to turn oxygen into carbon dioxideThey recycle energy back to the sun
- 7. Multiple ChoiceUsing fossil fuels is a safe for the environment.TrueFalse
- 8. Multiple ChoiceOrganisms that need nitrogen to surviveonly plantsonly animalsonly bacteriaall living organisms
- 9. Multiple ChoiceOrganisms that play a role in the nitrogen cycleonly plantsonly animalsonly bacteriaplants, animals, & bacteria
- 10. Multiple ChoicePlants and animals need nitrogen to make __________.ProteinCarbohydratesLipidsNucleic Acids
- 11. Multiple ChoiceWhen nitrogen gas is turned in to a form that plants and animals can use is calledCombustionPhotosynthesisDecompositionNitrogen Fixation
- 12. Multiple ChoiceHow do animals get nitrogen?the atmosphereeating other organismsbacterialightning
- 13. Multiple ChoiceBuilding proteins and DNA is the reason organisms need what substance?WaterCarbonNitrogenCalcium
- 14. Multiple ChoiceWhat converts nitrogen into a useable form for plants and animals?bacteriafungirain
- 15. Multiple ChoiceIdentify the cycle pictured.The Water cycleThe Carbon cycleThe Nitrogen cycleThe Phosphorus cycle
- 16. Multiple ChoiceIdentify the cycle pictured.The Water cycleThe Carbon cycleThe Nitrogen cycleThe Phosphorus cycle
- 17. Multiple ChoiceIdentify the cycle pictured.The Water cycleThe Carbon cycleThe Nitrogen cycleThe Phosphorus cycle.
- 18. Multiple ChoiceWhich nutrient is not cycled through the atmosphere?carbonnitrogenphosphorouswater
- 19. Multiple ChoiceWhat role do decomposers play in the phosphorous cycle?absorb phosphorousrelease phosphorous into atmospherereturn phosphorous into the soilcombustion
- 20. Multiple ChoiceThis is released by the weathering of rocks.CarbonOxygenPhosphorusNitrogen
- Answer choicesTagsAnswer choicesTags