Q4 of 62 Page 111

Though the conflict between humans and wildlife started with the evolution of man, the intensity of conflict has increased due to the activities of modern man. Justify your answer with suitable examples.

Human began agriculture and started exploiting forest lands 11000 years ago.

But this exploitation soon changed into over exploitation due to rapid growth of the population size of humans. Increased population resulted in increased needs which is leading to the 100 to 1000 times faster exploitation of the natural resources.


Hence with time, increase in medicinal facility and increased technology, the life span of humans increased which resulted in overexploitation and the intensity of the conflicts increased.


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Can you think of a scientific explanation, besides analogy used by Paul Ehrlich, for the direct relationship between diversity and stability of an ecosystem?

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What is an ecosystem service? List any four important ecosystem services provided by the natural ecosystems. Are you in favour or against levying a charge on the service provided by the ecosystem?

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Describe the consumptive use value of biodiversity as food, drugs and medicines, fuel and fiber with suitable examples.