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What percentage of fish species live in freshwater ecosystems?
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Asked 3/7/2011 9:22:36 PM
Updated 3/7/2011 11:39:10 PM
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about 33%
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Updated 5/23/2011 2:19:48 PM
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What do the lichens and mosses produce to break down rocks to begin the formation of soil?
Acids
Added 5/23/2011 2:19:48 PM
What makes an area a biodiversity hot spot?
Weegy: A biodiversity hotspot is a biogeographic region that is both a significant reservoir of biodiversity and is threatened with destruction. (More)
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Asked 3/7/2011 8:22:56 PM
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How long can primary succession take to be completed?
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Updated 7/14/2011 11:28:34 AM
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hundreds to ten thousands of years
Added 7/14/2011 11:28:34 AM
What is the largest ecosystem on the planet? User: Sunlight is what type of factor of a freshwater ecosystem? User: are Protists biotic
Weegy: This would be an example of A. food production. Many protists, such as the algae, are photosynthetic and are vital primary producers in ecosystems, particularly in the ocean as part of the plankton. (More)
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Updated 3/7/2011 11:37:05 PM
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The largest ecosystem on the earth is the oceans

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Added 3/7/2011 11:37:06 PM
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