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A diagram that shows the biomass of organisms at each trophic level.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref>
==References==
<references/>
[[Image:Pyramid.jpg|thumb|150px|Ecological pyramid]]
==References==
<references/>
[[Image:Pyramid.jpg|thumb|150px|Ecological pyramid]]