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    Ecological balance is a theory stipulating that natural conditions, including numbers of various animal and plant species, remain stable on their own thr...

    www.reference.com/science/ecological-balance-1...

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  • Ecological Imbalance: Its Causes and Effects in the Bios...

    Disruption of ecological balance are caused by careless human activities which interfere the natural cycle of the ecosystem. You will find out here the ecologi...

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    in order to maintain and develop ecological balance, to ensure the development of human society, the protection contains at least three levels of meaning: the...

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