Thursday, September 10, 2009

Energy flow in the ecosystem

Every ecosystem has several interrelated machinisms that affect human life.These are the water cycle, ,the carbon cylce,the oxygen cycle,the nitrogen cyle and the energy cyle and the energy cycel.while every ecosystem is controlled by these cycles,eachecosystem's abiotic and biotic features are distinct form each other.All the functions of the ecosystem are in some way related to the growth and regeneration of its plant and animal species.These interllinked process can be depicted as the various cycles;all these processes depand on energy from sunlight.During photosynthesis,cabon dioxide is absorved by plants and oxygen is released in to hte atmospher.Animals depend on this oxygen for their resprition.The water cycles depends on the rainfall,which is necessary for plants and Animals to live .The energy cycle recyles nutrients in to the soil on which plant life grows.Our own lives are closely linked to the proper functioning of these cycles of life.If human activities go on altering them .humanity cannot survie on Earth.

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