Change: word.word. Food chains, food webs and/or food networks describe the feeding relationships between species in an ecological community. They graphically represent the transfer of material and energy from one species to another within an ecosystem. Organisms are connected to the organisms   View changes from previous version. (Word count: 81)

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Change: energy from one species to another within an ecosystem. Organisms are connected to the organisms they consume by arrows representing the direction of biomass transfer.Trophic level:level: organism in a food chain that represents a feeding step in the passage of energy and materials through an ecosystem.   View changes from previous version. (Word count: 81)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 59)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 51)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 51)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 51)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 51)

Change: Created by r0qstar_priincezz Sep 5 2007, 10:57 AM EDT for: no reason given