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Food Web Crossword

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Across
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The number of different species of plants and animals in an area
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A group of interacting individuals of the same species located in the same area
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A species that enters an area from somewhere else and disrupts the native ecosystem
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The ability of a system to do work; required for changes to happen within a system
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Any event of force of nature that causes great damage or loss of life, such as tornadoes, hurricanes, and floods
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The development of an ecosystem in a n area that was once inhabited but experienced devastation; begins with preexisting soil
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A system comprising all the biotic and abiotic factors in an area and all the interactions among them
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Things that humans do
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Movement of energy from one system to another
Down
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Overlapping food chains with different pathways to show the flow of energy in an ecosystem
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The development of an ecosystem in a previously uninhabited location; begins with bare rock
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A series of changes in the species composition of a community over time
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A relatively table state of succession or the end product of succession
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A group of organisms with similar characteristics that are able to interbreed or exchange genetic material
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The first plant species to grow during succession
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Biotic or abiotic environmental factor that restricts the growth of a population
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The position an organism occupies of the food web