生物多样性英文课件

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1、ships of desert -exposition生物多样性（英文课件）expositionExpositionisexplanatorywriting.ItspurposeistoexplainorclarifyapointPatternsofexposition:exemplification;processanalysis;causeeffectanalysis;comparisonandcontrast;classification;analogy;definition.生物多样性（英文课件）OrganizationPart 1 (para. 1-8): the list of t

2、he images of environmental destruction: the drying up of the Aral; deforestation; air pollutionPart 2 (para. 9-16): analysis of the global threats posed by the environmental destruction and the common cause-the change in the relationship between human civilization and the earths natural balancePart

3、3 (para. 17-26): the solution to environmental destructions- reinventing and healing the relationship between civilization and the earth生物多样性（英文课件）Lossofbiodiversity生物多样性（英文课件）Biodiversity（生物多样性）Definition：Biologicaldiversity(biodiversity)referstoarangeofdiverselivingorganisms(animals,plants,micro-o

4、rganisms)onaregularbasisconstitutedbythecombinationofstableecologicalcomplexes.生物多样性（英文课件）Valueofbiodiversityanditssignificance：Directvalue：（1）biodiversityprovidesfood,fiber,buildingmaterialsandfurniture,andotherindustrialrawmaterialsforhumanbeings.生物多样性（英文课件）（2）Biodiversityalsohaveaestheticvalue（美学

5、价值）,wecancultivateoursentimentsandbeautifypeopleslives.Inaddition,biodiversitycanalsostimulateinspirationforliteraryandartisticcreation.wintersweet生物多样性（英文课件）chrysanthemum生物多样性（英文课件）bamboo生物多样性（英文课件）（3）Biodiversityhasanimportantecologicalfunction.Nomatterwhatkindofecosystem,wildlifeisoneoftheessenti

6、alcomponents.Wildlifeoncereduced,theecosystemstabilitywouldbedestroyed,thesurvivalenvironmentofmankindwouldalsobeaffected.生物多样性（英文课件）thepotentialvalue:asfarasthemedicinalproperties,80%ofthepopulationsindevelopingcountriesrelyonplantsoranimals,toensurethebasichealth.生物多样性（英文课件）生物多样性（英文课件）生物多样性（英文课件）C

7、ausesofbiodiversityreduction:1、Therapidincreaseinpopulation.生物多样性（英文课件）Thepopulationkeepsincreasing,soarablelandmustbeexpandedtomeetdemandsofeating,thisbecomesthedirectthreattothenaturaleco-systems.生物多样性（英文课件）2、Overexploitation生物多样性（英文课件）Environmentalpollution生物多样性（英文课件）killing生物多样性（英文课件）生物多样性（英文课件）No!生物多样性（英文课件）Are these problems difficult to be solved?生物多样性（英文课件）As long as we can start out small.生物多样性（英文课件）生物多样性（英文课件）生物多样性（英文课件）生物多样性（英文课件）此课件下载可自行编辑修改，供参考！此课件下载可自行编辑修改，供参考！感谢你的支持，我们会努力做得更好！感谢你的支持，我们会努力做得更好！