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Everything adopts itself to environment it has. In order to be favoured by nature, they some time develop some features that could help them to live easily in that environment. They become used to their habitas as well and this is called "adaptation". Organisms need to adapt changes according to the demands of nature because if they will not, they will be wiped out. Nature selects only those organisms which fit in the environment. Thus, animals in the same way, develop features which would help them to live easily in habitats, they have. For instance, polar bears have an adaption of furry coat over their body, which helps them in extreme cold weather. (RABIYA AKHTAR) DATED:10.JUNE.2009

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