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<p><b>Energy flow</b> is the flow of <a href="page.php?w=energy">energy</a> through living things within an <a href="page.php?w=ecosystem">ecosystem</a>. All living organisms can be organized into <a href="page.php?w=Primary_producer">producers</a> and <a href="page.php?w=Consumer_%28food_chain%29">consumers</a>, and those producers and consumers can further be organized into a <a href="page.php?w=food_chain">food chain</a>. Each of the levels within the food chain is a <a href="page.php?w=trophic_level">trophic level</a>. In order to more efficiently</p><p>
<a accesskey="3" href="page.php?w=energy_flow_%28ecology%29&amp;p=2">3.Next</a>
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