- 问题详情:Howdoesanecosystem(生态系统)work?Whatmakesthepopulationsofdifferentspeciesthewaytheyare?Whyaretheresomanyfliesandsofewwolves?Tofindananswer,scientistshavebuiltmathematicalmodelsoffoodwebs,notingwhoeatswhomandhowmucheachoneeats.Withsuchmodels,scientis...
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