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ecosystem |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.07 sec. |
ecosystem [ek′ōsis′təm] the total of all living things within a particular area and the nonliving things with which they interact. ecosystem, n the sum total of all living and nonliving things that support the chain of life events within a particular area. ecosystem the fundamental unit in ecology, comprising the living organisms and the nonliving elements interacting in a certain defined area. In more sophisticated terms, a biotic community living in its biotope. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| coasts, these ecosystems support up to 1,000 species of fish, plants, and invertebrates, he says. This year's program theme, Nature at Your Service, aptly demonstrated how our urban ecosystems can reconnect people to their urban natural resources. Over the past 50 years, humans have changed ecosystems faster and more extensively than during any other comparable time period in human history. |
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