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- 1. Multiple ChoiceWhat is an ecosystem?an area where living and nonliving things interact.An oceanAn area where nonliving things interact.An area where living things things interact with each other.
- 2. Multiple ChoiceAn example of a biotic element is:Airplantecosystemwater
- 3. Multiple ChoiceAn example of an Abiotic element is:PlantSunSnakeecosystem
- 4. Multiple ChoiceAn example of humans changing the ecosystem is:Forest fire due to volcanic eruptionBeaver's DamLumbering
- 5. Multiple ChoiceAn example of a natural change to the ecosystem is:A highway built in the middle of the desert.Lightening strikes and starts a fire in the forest.A rancher placing too many grazers in a small area leading to overgrazing.
- 6. Multiple ChoiceThe overpopulation of grazers can result in overgrazing.TrueFalse
- 7. Multiple ChoiceThe removal of trees and plants can cause problems such as soil erosion.TrueFalse
- 8. Multiple Choice
This picture is an example of what ecosystem change?Beaver's DamOvergrazed AreaLumbering (deforestation)Pollution - 9. Multiple ChoiceThis picture is an example of what environmental change?PollutionForest FireOvergrazed AreaLumbering
- 10. Multiple ChoiceAn ecosystem does not need to contain both biotic and abiotic elements.TrueFale
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