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imprinting
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The process through which young fry memorize details about their home streams. As adult spawners, they use this knowledge to find their way back.
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IMS
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Internet map service.
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INAD
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Investigational new animal drug.
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inorganic
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Part of or derived from nonbiological material. A chemical compound that does not include a carbon chain. Compare organic.
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introduced species
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An organism that has been brought into an area, usually by humans, where it does not normally occur. Introduced species often compete with and cause problems for native species. Introduced species are also called exotic, nonnative, and alien species. See also invasive species and native species.
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invasive species
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An introduced species that out-competes native species for space and resources. Scotch Broom is an invasive species that out-competes local vegetation and results in a monoculture, and hence a decrease in local diversity. See also introduced species and native species.
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iteroparous
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Producing offspring in successive, such as annual or seasonal, batches.
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IV&V
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Independent validation and verification.
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