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- 1. Multiple Choice1. Any change in plant communities over time is called __________.successionpioneer speciesbiotic stageabiotic stage
- 2. Multiple ChoiceA common pioneer organism in a succession is the __________.mushroommilkweedlichengrass
- 3. Multiple ChoiceThe final stable state of a succession is called the __________ community.pioneerbioticcommonclimax
- 4. Multiple ChoiceThe first organism in a succession is called the __________.pilgrim speciespioneer speciesclimax speciesloner
- 5. Multiple ChoiceStarting on bare rock, what is the usual ecological succession of organisms?lichens - grasses - shrubs- treesgrasses - shrubs - lichens - treeslichens- shrubs- grasses- treesshrubs - grasses - lichens - trees
- 6. Multiple ChoiceThe process by which organic matter and nutrients slowly build up in a body of water.natural disastereutrophicationsuccessionflooding
- 7. Multiple ChoiceWhich of these processes happens slowly?eutrophicationvolcanic eruptionforest fire
- 8. Multiple ChoiceWhich disturbances to an ecosystem would be followed by secondary succession?glaciervolcanic eruptionmeteortornado
- 9. Multiple ChoiceThe number and variety of species that are present in an area is referred to asprimary successionbiodiversitysecondary successionbiotic and abiotic
- 10. Multiple ChoiceWith primary succession, thereis no soilis soil
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