八年级生物上册15.1《生物多样性》练习题(新版)苏教版.doc

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1生物多样性 一、选择题1.地球环境中最具有生物多样性的地区是( )A.沙漠 B.热带雨林 C.大草原 D.农田2.下列对我国生物多样性的叙述中,不正确的是( )A.我国是生物种类最丰富的国家之一B.我国是裸子植物最丰富的国家C.我国特有的和古老的生物种类很丰富D.我国的生物多样性不会受到威胁3.种植药材利用的是生物多样性中的( )A.潜在价值 B.间接价值C.直接价值 D.没有价值4.下列有关生物多样性的观念中,不恰当的是( )A.生物多样性有利于维持生态系统的平衡B.生物多样性可以陶冶人们的情操,美化人们的生活C.生物多样为人类提供了食物、纤维、建筑材料、药物及其他工业原料D.生物多样性可以迅速提高人们的生活水平二、填空题1.生物多样性包括三个层次: 的多样性、 的多样性和 的多样性。2.生物多样性最直观、最基本的认识是 多样性。3.生物种类的多样性实质上是 的多样性。4.生物的各种特征是由 控制的。参考答案一、选择题1.B 2. D 3.C 4.D二、填空题 1.物种 遗传 生态系统 2.物种 3.遗传 4.基因

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