1) What are the first organisms, at the beginning of succession called that help to form a layer of soil. a) Producers b) Decomposers c) Pioneer Species d) Climax Community 2) This is the variety of life in an area, the more of it, the better. a) Lichen b) Succession c) Biodiversity d) Ecology 3) These disasters can result in primary succession, because no soil will be left. a) Flood b) Wildfire c) Logging or human disruption d) Volcano or retreating glacier  4) Succession happens in stages, gradually returning to the original system, so the community is in relative a) pressure b) equilibrium c) secondary succession  d) is a pond 5) This is the gradual replacement of a pond with land plants and animals a) primary succession b) secondary succession c) tertiary succession d) pond succession 6) The tropical rainforest has the greatest diversity of species and therefore has a) high sustainability b) low sustanibility c) low biodiversity d) low survivability 7) Pioneer species are typically a) cacti b) lichens and mosses c) small hardwood trees d) large hardwood trees 8) A state of balance in an ecosystem is know as a) equilibrium b) homeostasis c) photosynthesis d) primary succession 9) An ecological community where plants and animals exist in relative stability is called a) an ecosystem b) a climax community c) a biome d) a microhabitat

TMS Succession and Biodiversity

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