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FANTASY LIFE.
Tuesday, December 30, 2008
8)What happens to most of the energy in the ecosystem?
Energy flow in an ecosystem is non-cyclic. Energy is lost to the environment as heat, which cannot be recycled in the ecosystem. Hence, energy must be constantly supplied to the ecosystem. In any ecosystem, the ultimate source of energy is the sun. Light energy is then absorbed by chlorophyll in producers and then converted to chemical energy during photosynthesis. Energy is then passed from one trophic level to another through feeding. Dead organisms and egested and excreted materials contain trapped chemical energy. The energy is then released by activity of decomposers, some energy is used by the decomposers while the rest of the energy is lost as heat. Eventually, all the energy that enters the biotic part of the ecosystem is lost as heat energy and living organisms are unable to use heat energy to do work.Labels: Energy
-------------------final fantasy--------------- ; {11:58 PM}
_________________________________________________________
ME
Jin Hao
Queenstown
;
Biology Assignment
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