1) Is an invasive species always bad in every enviroment? a) Yes, it causes harm everywhere. b) No, in its native environment it isn't bad 2) What can cause a big impact on an ecosystem? a) Natural disasters b) A storm c) rain d) invasive species 3) What is an example of seccondary succession? a) forest fire b) volcanic eruption 4) What is biodiversity? a) life in water b) Only one species c) An abundance of different species in an ecosystem 5) Would other species decrease in population if an invasive species was introduced? a) true b) false 6) Can organisms reproduce an unlimited number of offspring? a) true b) false 7) Can fire impact an ecosystem positively? a) true b) false 8) Can an ecosystem not survive an impact like a fire? a) true b) false 9) Is an example of primary succession how the land is after a volcanic eruption? a) true b) false 10) Can biodiversity help an ecosystem have a bigger carrying capacity? a) true b) false

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