新托福TPO19阅读原文(二):ession,Climax,andEcosystemsTPO19-2:ession,Climax,andEcosystems eenthcentury,",munitieswoulddevelopafteradisturbancesuchasavolcaniceruption,heavyflood,,forinstance,essivelybyherbaceousplants(plantswithlittleornowoodytissue),shrubs,andtrees,-lovingspeciesarealwaysamongthefirstinvaders,whileshade-ession. ession,,:thenatureofthesoil,exposuretosunandwind,regularityofprecipitation,chancecolonizations,andmanyotherrandomprocesses. ession,calledtheclimaxbyClementsandearlyecologists,,,. ForClements,theclimaxwasa"anism,"'anism,"association"munity"inordertostresstheloosenessoftheinteraction. "biome,"acombinationofcoexistingfloraandf
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