- Manywildanimalsareatriskofextinctionbecauseofthegreatchangesintheirlivingenvironment.Forexample,withthedevelopmentofcities,theuseofpesticidesandpollutionisserious,andtheirlivingareasarebecomingnarrowerandnarrower.Manywildanimalsarenowfacingafoodcrisi...
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