describe the advantages of keeping the ecosystem healthy.(5 marks)
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The various benefits that humans obtains from the ecosystem are collectively called ecosystem services.
The advantages of keeping an ecosystem healthy can be grouped into following types:
(i) Provisioning services Fruits, vegetables, trees, fish, livestock are directly available to us by ecosystem. The other benefits in this category are timber, oils, medicines, etc.
(ii) Regulating services These are benefits that moderate natural phenomenon. These include pollination, decomposition, flood control, etc.
(iii) Cultural services It contributes toward the development and advancement of people, e.g. recreational facilities, etc.
(iv) Supporting services Allow the earth to sustain basic life forms, e.g. photosynthesis, water cycle, etc.
The advantages of keeping an ecosystem healthy can be grouped into following types:
(i) Provisioning services Fruits, vegetables, trees, fish, livestock are directly available to us by ecosystem. The other benefits in this category are timber, oils, medicines, etc.
(ii) Regulating services These are benefits that moderate natural phenomenon. These include pollination, decomposition, flood control, etc.
(iii) Cultural services It contributes toward the development and advancement of people, e.g. recreational facilities, etc.
(iv) Supporting services Allow the earth to sustain basic life forms, e.g. photosynthesis, water cycle, etc.
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Ans= we should keep the rivers clean. we should not cut the trees. minimise the deforestation and increase the afforestation. do not use vehicles for short distance. we should clean our surroundings. the use of fossil fuels such as wood, coal ,petrol etc should be minimised. use of chlorofluorocarbons must be checked. we should not use much Polythene bags or poly bags.
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