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- 1. Multiple ChoiceIn ecosystem, energycyclesflows unidirectionallyflows bidirectionallyis absorbed and lost
- 2. Multiple ChoiceIn ecosystems, mattercyclesflows unidirectionallyflows bidirectionallyis static (not moving)
- 3. Multiple ChoiceEnergy is transferred when an animallays in the sundrinks waterbreaks down food in its stomacheats a plant or animal
- 4. Multiple ChoiceWhen you trace energy flow backward, almost always you end up atplantsa small animalthe sunthe moon
- 5. Multiple ChoiceWhen an organism gets eaten, ___ of the energy it contains is passed on.100%50%1%10%
- 6. Multiple ChoiceEnergy cycles, so it is always recycled.TrueFalse
- 7. Multiple ChoiceThe overall amount of matter doesn't change, just where it is and in what form it's in.TrueFalse
- 8. Multiple ChoicePhotosynthesis is part of the ___ cycle.carbonwaterphosphorousnitrogen
- 9. Multiple ChoiceFixation is part of the ___ cycle.carbonwaternitrogenphosphorous
- 10. Multiple ChoiceCarbon is important for living things becauseit makes up parts of DNAit makes up parts of proteinsit makes up most parts of the organismit helps them breathe
- 11. Multiple ChoiceNitrogen is important for living things because itmakes up parts of the DNAmakes up parts of proteinsmakes up most parts of the organismhelps them breathe
- 12. Multiple ChoicePhosophorous is important for living things because itmakes up parts of the DNAmakes up parts of proteinsmakes up most parts of the organismhelps them breathe
- 13. Multiple ChoiceThe process of water changing from a gas to a liquid is calledcondensationprecipitationsublimationevaporation
- 14. Multiple ChoiceRocks that stores water for long periods of time are calledgroundwateraquifercloudssoil
- 15. Multiple Choice___ is converting an element into a form plants can use.sublimationnitrificationcellular respirationmineralisation
- Answer choicesTagsAnswer choicesTags