words and concepts for Quiz 3

words and concepts for Quiz 3 - environment: tends to favor...

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Some words and concepts to know for Quiz #3 1. Precautionary approach (Dewees 32) 2. Upwelling 3. Biomagnification the process by which the concentration of toxic substances increases in each successive link in the food chain; also called [biological magnification] 4. Persistent Organo-chlorine Pollutants Any of various hydrocarbon pesticides, such as DDT, that contain chlorine. 5. Exxon Valdez http://en.wikipedia.org/wiki/Exxon_Valdez 6. Synergism the interaction of elements that when combined produce a total effect that is greater than the sum of the individual elements, contributions, etc. 7. Kesterson Marsh, selenium 8. Competition 9. R selection selection occurring when a population is far below the carrying capacity of an unstable
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Unformatted text preview: environment: tends to favor individuals that reproduce early, quickly, and in large numbers so as to make use of ephemeral resources and ensure that at least some offspring survive. 10. K selection selection occurring when a population is at or near the carrying capacity of the environment, which is usually stable: tends to favor individuals that successfully compete for resources and produce few, slowly developing young, and results in a stable population of long-lived individuals. 11. Carry capacity The number of animals that a habitat can support. 12. Wetlands 13. Overfishing 14. Hybernacula The winter quarters of a hibernating animal....
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