2020-2021学年八年级下册生物苏教版同步课时作业（4）两栖类的生殖与发育
※题型：单选题※知识点：单选题※试题难度：中等<br>生殖和发育都离不开水的动物是( )<br>A.两栖动物 B.爬行动物 C.鸟类 D.哺乳动物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/de3b4f31d14d44cf83c0592c55c49f04/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/1e739fa2ed4a47d29926f6161114bf49/C4181896A11E439AA5B01416EE01ED52.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>大鲵又称娃娃鱼,它不能成为真正陆生动物的原因是( )<br>A.体温不恒定 B.生殖离不开水<br>C.皮肤辅助呼吸 D.变态发育<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4e22a9b233344277b07fc61d2408cd6b/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c4acf917047c4d3782bb696296dd08dc/844D3B8ED86E2CF2250EF01D35CEAD70.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>一生中呼吸器官较多的动物是( )<br>A.蚯蚓 B.青蛙 C.龟 D.海豹<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/27dc4970478d47d3b403c9611c54cfb4/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3b2723d501404b9ab848d3f1fa73f130/4CBE97D8A53708A729415316D3BF31CB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>关于青蛙与蝌蚪的区别,下列说法不正确的是( )<br>A.呼吸方式一样 B.生活的环境不同<br>C.形态结构不同 D.运动方式不一样<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8569577dce2a4052836ac895515933d3/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/78ac83c26f9d4366a2eda39528ef5136/230DC8E0358975F71C06103FFEE404B3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>比较两栖类和昆虫的生殖及发育方式,下列说法错误是( )<br>A.都是有性生殖 B.都有变态发育<br>C.发育过程都从受精卵开始 D.都是体内受精<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/23b66d9cb56843f184b52e106e712851/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6945b4b010204204841b1a52ec07d0d7/C31EED71C64EBEDE2E1A0F7DF821CEF8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>青蛙生殖过程中,不具有的是( )<br>A.雄蛙鸣叫 B.雌雄抱对 C.水中受精 D.雌蛙孵卵<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/8edd1a2fa60f48d0afd458f166b14684/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/505ca70e6b884c6dbed5e12460d1e257/C07EF8155B6EA6C6E4CFB3D9D66AFD82.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下图中的①②③④分别表示青蛙发育过程中的四个阶段。能正确反映青蛙发育全过程的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/1/15/48F5CB5F0487849A55EDD37DC9A5E6FD.png"><br>A.①→②→③→④ B.②→③→④→①<br>C.②→③→①→④ D.④→②→①→③<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/eaf6e1eb893f417891c0b8fdeca4bf4f/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/ba2ef22571054718855394a81bad270e/604DFFCA72811CC2BC7974F22AEA918E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>青蛙的生殖发育离不开水环境。与此无关的描述是( )<br>A.雌蛙在水中产卵 B.受精在水中进行<br>C.蝌蚪在水中发育 D.成蛙在水中呼吸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/1aa22c2176044731a5ce3ea01be3e41b/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/3ea40af0cebd4bd79c547f7692ddf516/84E0BB0A851C1C269A108B7DA736EEAD.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列有关青蛙形态结构和生殖发育的叙述,正确的是( )<br>A.前肢发达,趾间有蹼,能跳跃和划水<br>B.在水中体外受精,变态发育<br>C.繁殖季节,雌蛙鸣叫,招引雄蛙抱对<br>D.发育经过受精卵、蝌蚪和成蛙三个阶段<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0efdb98a9a0641a5869b81ad4bb71994/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>“稻花香里说丰年,听取蛙声一片”,田地里有蛙声就意味着有收获的喜悦和欢乐。青蛙属于两栖动物,下列有关青蛙生殖和发育的叙述,不正确的是( )<br>A.幼体生活在水中,成体既能在陆地上生活,也能在水中活动<br>B.青蛙的发育方式是变态发育<br>C.雄蛙鸣叫招引雌蛙前来抱对,促进排卵排精<br>D.青蛙是体内受精<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/41e27582d76e4a88969edfbd9da12de3/B4A95E0049EF7D88C3ABD6FDD51A35AE.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/87d7b672b7c64d09942a60514886f71e/9A814C67157754CF9069C841776C085A.png"><br><br>
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