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Environmental Science

By Anne Stockard, Elizabeth Laird, and Amanda Jordan 
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Across
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_________ communities are considered to be in balance with their environment
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Interactions between species affect their use of ______ and population size
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The ability of a living system to survive moderate disturbances
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Ecological succession reflects an ongoing _____
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The gradual change in a species composition in a given area
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Another word for Persistence
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Occurred in the 14th century and spread through European cities
Down
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Ecosystems reveal that ecological succession is an ever-changing ________ of patches of vegetation in different stages
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The ability of an ecosystem to be restored
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The ______ view of ecological succession states that it follows a specific path and ends with climax communities
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The word used to describe the path of succession
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Changes in environmental conditions alter the __________ of species and their population sizes in communities and ecosystems
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Type of succession caused by total destruction of an ecosystem
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Type of succession that results from the disturbance of an ecosystem
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There are always limits to population ______ in nature
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Famine that ccurred 1844-1845, killed 1 million people, example of natural population control
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Humans are not exempt from ___ population control