- 问题详情:Verymobileearshelpmanyanimalsdirecttheirattentiontotherustle(沙沙声)ofapossibleattacker.Researcherssaythesemobileearshavebecomeausefulcommunicationtool.Theirstudiesofanimalbehaviourbuildupapictureofhowcommunicationandsocialskillsdeveloped. ...
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