考前必看干货：AP生物各章重点.pdf
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考前必看干货：AP生物各章重点
干货福利生物各章重点概念总精析，你知多少?APBiology，小编带来重
点讲解以及必背词汇，怒拿5分!
Adaptation适应性改变
Anyinheritedstructure,behavior,orinternalprocessthatenablesan
organismtorespondtoenvironmentalfactorsandlivetoproduce
offspringiscalledanadaptation.
Evolution进化
Thegradualchangeinaspeciesthroughadaptationsovertimeis
evolution.
Growth生长
Growthresultsinanincreaseintheamountoflivingmeterialand
theformationofnewstructures.
Reproduction繁殖
Oneofthemostobviousofallthecharacteristicsoflifeis
reproduction,theproductionofoffspring.
Species物种
Aspeciesisagroupoforganismsthatcaninterbreedandproduce
fertileoffspringinnature.
Stimulus刺激
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Anythinginanorganism’sexternalorinternalenvironmentthat
causestheorganismtoreactisastimulus.
Dependentvariable因变量
Theconditionthatanychangesinitdependonchangesmadetothe
independentvariableiscalleddependentvariable.
Independentvariable自变量
Theconditioninanexperimentthatistestedistheindependent
variable.
Ecology生态学
Ecologyisthestudyofinteractionsthattakeplacebetween
organismsandtheirenvironment.
Ecosystem生态系统
Anecosystemismadeupofinteractingpopulationsinabiological
communityandthecommunity’sabioticfactors.
Niche小生境
Anicheisallstrategiesandadaptationsaspeciesusesinits
environment.
Autotroph自养生物
Anorganismthatuseslightenergyorenergystoredinchamical
compoundstomakeenergy-richcompoundsisaproducer,or
autotroph.
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Heterotroph异养生物
Anorganismthatcannotmakeitsownfoodandfeedsonother
organismsiscalledaheterotroph.
Foodchain食物链
Afoodchainisasimplemodelthatspeciesusetoshowhowmatter
andenergymovethroughanecosystem.Inafoodchain,nutri