一株水稻结了许多种子。这属于生物的哪项特征[]A．应激性B．生长C．繁殖D．新陈代谢-七年级生物

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• 一般说来，生物种类不会由于一个个体死亡而导致该物种的绝灭。这是因为生物体具有[]A．遗传特性B．生殖作用C．生长现象D．应激性-七年级生物
• 下列各项不属于生物共有特征的一组是[]A．生长和生殖B．具有细胞结构C．不断从外界吸收营养D．能排出代谢废物-七年级生物
• 下面古诗中，描写生物生长发育的是[]A．泥融飞燕子，沙暖睡鸳鸯B．红豆生南国，春来发几枝C．两个黄鹂鸣翠柳，一行白鹭上青天D．明月别枝惊鹊，清风半夜鸣蝉-七年级生物
• 下图是具有保护色的百灵色，它可以有效地避免肉食鸟类的攻击和捕食，但容易被嗅觉发达的兽类（如狐等）所捕食，这说明了[]A．适应的普遍性B．适应的相对性C．适应的随意性D．适应的-八年级生物
• 地球不断有生物灭绝的现象发生，是[]A．上帝的安排B．与人类无关C．完全是由人类引起的D．一种自然现象-七年级生物
• 以下属于“排出废物”这种生物特征的是[]A．牛羊吃草B．人体流汗C．鲸鱼喷水D．种子萌芽-七年级生物
• 下列各种生物活动中，属于动物特有的是[]A．利用水和二氧化碳合成自身所需要的某些有机物B．通过消化分解食物中的有机物，并将可利用的营养成分吸收C．将有机物分解成二氧化碳和-七年级生物
• 下列属于学习行为的是[]A．大山雀偷饮牛奶B．蜘蛛结网C．婴儿吮奶D．母鸡育雏-七年级生物
• 下列能说明生物能对外界刺激出反应的是[]A．动物以植物为食B．含差羞草的叶片受到触动会合拢C．鲸呼气时会产生雾状水雾D．西瓜能进行光合作用制造有机物-七年级生物
• 下列各组中全部属于生物的一组是[]A．机器人、蜻蜓、钟乳石B．蘑菇、珊瑚虫、松树C．珊瑚、菊花、水草D．枯枝、鱼、树-七年级生物
• 阅读下列短文，然后回答问题：夏季在海滨游玩，若赶上退潮，在礁石之间的水洼中，往往能见到海葵。海葵呈圆柱形，十分柔软，极易收缩。它吸收水中的氧，将废物排到水中，它的-七年级生物
• 下面生物个体中，构成与其他三项不同的是[]A．杜鹃B．烟草花叶病毒C．放线菌D．向日葵-七年级生物
• 按照生物的形态结构特点可以将生物划分为[]A．植物、动物和其他生物B．脊椎动物和无脊椎动物C．单细胞生物和多细胞生物D．陆生动物和水生动物-七年级生物
• 下列生物中，不是由细胞构成的是[]A．噬菌体B．细菌C．动物D．植物-七年级生物
• 植物的根向地生长、动物会逃避有害的刺激，这说明[]A．生物都能生长B．生物都能对刺激作出反应C．生物都能适应环境并影响环境D．生物都具有遗传和变异的特征-七年级生物
• 一个多细胞生物体的所有细胞来自于[]A．细胞分裂B．细胞生长C．同一个受精卵D．细胞分化-七年级生物
• 下列属于生物的是[]A．恐龙骨骼B．木马C．小草D．钟乳石-七年级生物
• 壁虎遇到敌害会断尾逃脱，这一现象说明了生物[]A．能够由小长大B．繁殖后代C．对外界刺激会产生反应D．影响环境-七年级生物
• 下列除哪项外，都是生命特征的表现[]A．蜘蛛织网B．种子萌发C．森林起火D．月季开花-七年级生物
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