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Many wild animals are facing the danger of extinction because the environment that they are living in has changed greatly. For example with the developmet of cities the using of insecticide and serious pollution their living areas have become narrowcr and narrower. Many of the wild animals now are confronted with food crisis. At the same time man is killing off species just for getting their fur skin horns teeth and meat. Many wild animals are facing the danger of extinction because the environment that they are living in has changed greatly. For example with the developmet of cities the using of insecticide and serious pollution their living areas have become narrowcr and narrower. Many of the wild animals now are confronted with food crisis. At the same time manis killing off species just for getting their fur skin horns teeth and meat. In order to protect our resources of ecology people should realize that the loss of any species is at least the loss of source of knowledge and a source of natural beauty. There fore measures of the following should be taken: pollution standards are made to keepdown poisons; killing off certain rare species is prohibited; national parks should be set up as wild life reserves. In order to protect our resources of ecology people should realize that the loss of any species is at least the loss of source of knowledge and a source of natural beauty. There fore measures of the following should be taken: pollution standards are made to keepdown poisons; killing off certain rare species is prohibited; national parks should beset up as wild life reserves. | 
