Topic: Trophic Structure
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Answers to Common Questions
What is a trophic structure
All organisms in an ecosystem can be placed in trophic levels depen... ...MORE... Read More »
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What is exactly is trophic structure?
I'm a high school bio teacher. Just so you know that i probably know a little, at least, about what i'm discussing here. Trophic structure is the relationship of an organism to other organisms in the context of a food web. FOOD WEB, the ide... Read More »
Source: http://answers.yahoo.com/question/index?qid=20080814170048AA2stMU
What does the trophic structure of a community describe?
The trophic structure of a community is determined by the fee... Read More »
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Answers to Other Common Questions
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The trophic levels are producer, primary consumer, secondary consumer, tertiary consumer, etc. If you arrange these in a pyramid based on biomass, the greatest biomass is at the bottom with the producers. The reason for this is the second l...
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Source: http://answers.yahoo.com/question/index?qid=20080806152918AA3WD7o
At the first trophic level - the autotrophic primary producers.
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Energy (about 10%) flows from one trophic level to the next. Avout 90% is lost each time it is transferred.
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You are correct about the 10%- there is only about 10% of the energy gained going from one trophic level to the next (the other 90% is lost). This is THE reason why there can't be unlimited levels in an ecosystem- it is MUCH TOO INEFFICIENT...
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Source: http://answers.yahoo.com/question/index?qid=20070308160149AAPwF0o
