Howdoesanecosystem（生态系统）work？Whatmakesthepopulationsofd...
问题详情：Howdoesanecosystem（生态系统）work？Whatmakesthepopulationsofdifferentspeciesthewaytheyare？Whyaretheresomanyfliesandsofewwolves？Tofindananswer，scientistshavebuiltmathematicalmodelsoffoodwebs，notingwhoea...