As can be seen, modern cell phones are ______ phones. They're used as cameras and computers too

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• 大鲵是世界上现存个体最大的两栖动物，由此可知大鲵的生殖和发育方式是（）A．卵生、体外受精、变态发育B．卵生、体内受精、变态发育C．卵生、有性生殖、无变态发育D．胎生、有性生-八年级生物
• 青蛙的生殖与发育过程在中进行，要经历受精卵、、幼蛙、成蛙四个时期．-八年级生物
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• 下列对青蛙生活习性和生殖发育特点的描述中，不正确的是A．雄蛙和雌蛙的抱对有利于提高卵的受精率B．雄蛙的鸣叫是一种求偶行为C．青蛙既能生活在水中，又能生活在陆地上，所以它-八年级生物
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• 你见过青蛙吗?青蛙的发育过程包括四个阶段，顺序是①受精卵②成蛙③蝌蚪④幼蛙A．①④③②B．①③④②C．①②③④D．①③②④-八年级生物
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• “鸡生蛋，蛋生鸡。先有鸡还是先有蛋？”这个古老的问题难住了许多科学家。下列动物不是产卵繁殖，而是胎生动物的是A．丹顶鹤B．蝗虫C．蝮蛇D．梅花鹿-八年级生物
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• 同青蛙一样，其他两栖动物的生殖和幼体发育必须在________中进行，幼体要经过___________发育才能上陆生活。-八年级生物
• 表1是某校生物课外科技小组人工孵化蛙卵的实验方案记录表（用同样大小的容器，装等量的水，孵化时间相同）。请回答：表1人工孵化蛙卵的实验记录项目组别水源水量/mL水温/℃蛙卵数-八年级生物
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