many wild animals are facing the danger of extinction, because theenvironment that they are living in has changed greatly. for example, with thedevelopmet of cities, the using of insecticide and serious pollution, theirliving areas have become narrowcr and narrower. many of the wild animals, noware confronted with food crisis. at the same time, man is killing off speciesjust for getting their fur, skin, horns, teeth and meat.
in order to protect our resources of ecology, people should realize thatthe loss of any species is at least the loss of source of knowledge and a sourceof natural beauty. there fore, measures of the following should be taken:pollution standards are made to keepdown poisons; killing off certain rarespecies is prohibited; national parks should be set up as wild life,reserves.
only if we human beings take some drastic measures can wild animals bepreserved
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