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Unformatted text preview: to build another layer. The only exceptions to this shape are aquatic ecosystems and ecosystems that have many smaller consumers eating fewer bigger producers. In aquatic ecosystems a whale has much more mass than the krill it eats resulting, in a biomass pyramid, a reverse pyramid. When there are small consumers eating big consumers such as when hundreds of insects have to eat a small tree, it results in a reverse pyramid. 3. An energy pyramid emphasizes the energy loss from one trophic level to the next. In general, an average of only 10 percent of the available energy at a trophic level is converted to biomass in the next higher trophic level. The rest of the energy is lost from the ecosystem as heat....
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This note was uploaded on 09/21/2011 for the course BIOG 1110 taught by Professor Randywayne during the Spring '09 term at Cornell University (Engineering School).
- Spring '09