Keystone: Topic 9 Ecology
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Levels of the ecosystem
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Individual Population Community Ecosystem Biome Biosphere
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What makes its own food
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An autotroph
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What eats other organisms for food
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Heterotrophs
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When you move up an energy pyramid, the amount of available goes ____
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Down
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Difference between a food web and food chain
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Food chain is a linear relationship Food web is multiple interconnected chains
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Difference between biotic and abiotic
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Biotic is living things that affect organisms Abiotic is non-living things that affect organisms
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Competition is
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Multiple organisms fighting for some resource
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Predation is
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Organism that consumes their prey
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Symbiosis is
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2 species are close to each other
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Mutualism
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Both benefit
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Commensalism
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One benefits other is unaffected
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Parasitism
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One benefits other is harmed
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Species that are naturally found in a location is...
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Native
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Species that are accidentally or purposefully placed in to a new area
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Invasive
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Threatened species are...
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Those that have a possibility of becoming extinct
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Endangered species are...
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Species that are close to becoming extinct
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Extinct species are...
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Species whom are no longer on our planet
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Succession is
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Recovery of an ecosystem after a disaster
