文档介绍：OrganismsandtheenvironmentEcosystem (Basicprinciples)Bookonechapter5PresentationslidepreparedbyOUPmodifiedbymeformoreeffectivelearningandteaching(VersionOctober2003) Whatisecology? Whatistheecosystem? Howdoesenergyflowwithinanecosystem? Howarematerialsrecycledinanecosystem? anismsinteractwitheachother? ?WhatareinsidetheEcosphere?anismsinsideliveforalongtimewithoutfoodadded?WhatwillhappeniftheEcosphereisalwaysputinadarkplace?anismsandwiththeenvironmenttoformastableandself-, Whatisecology? Ecology(生態學)isabranchofbiology whichstudiestheinterrelationships anismsandtheir environment(環境).Whenstudyingecology,monlyusedbyecologists(生態學家). Whatisecology?Habitat(生境)anismlivesIthasawell-defined setofphysical conditions,. temperaturecanbenaturalorman- Whatisecology?Microhabitat(小生境)averysmallareawithitsownspecificsetofenvironmental conditions, Whatisecology?Population(種群) munity(群落)referstoALLthe populationsnaturally occurringinahabitat10