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Homework answers / question archive / As we go up the food chain and increase trophic levels, the amount of energy available decreases by 10% each time
As we go up the food chain and increase trophic levels, the amount of energy available decreases by 10% each time. The rest of the energy is not destroyed, but dissipates into the air as heat.
step in the movement of energy through an ecosystem; an organism's feeding status in an ecosystem.
accumulation of pollutants at successive levels of the food chain
the organic circulation of carbon from the atmosphere into organisms and back again
the transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere
the assimilation of atmospheric nitrogen by soil bacteria and its release for plant use on the death of the bacteria
rapid growth of algae in bodies of water, due to high levels of nitrogen and often phosphate
an ecological succession that begins in a an area where no biotic community previously existed
succession on a site where an existing community has been disrupted
first species to populate an area during primary succession