推荐回答(5个)
海龟不是两栖动物而是爬行动物。

扩展资料
海龟(学名:Chelonia mydas)是海龟科、海龟属动物。头背具对称大鳞,前额鳞一对。上颌平出,下颌略向上钩曲,颚缘有锯齿状缺刻。吻部短圆,上颚前端不成钩曲。背甲呈心形,盾片镶嵌排列;椎盾5枚;肋盾4对,第一对肋盾不与颈盾相接,缘盾每侧11片;喉盾前有单枚问喉盾;背腹甲间有一系列下缘盾。四肢桨状,前肢长于后肢,每肢内侧各具1爪。背甲橄榄色或棕色,杂有黄白色放射纹;背甲橄榄色或棕褐色,杂以浅色斑纹;雄陛尾长,达体长的二分之一,前肢的爪强大而弯曲成钩状。
所谓的两栖动物,是指幼体和成体会出现较大形态上的变形,即“变态”。比如青蛙,呼吸系统就由蝌蚪的腮变成青蛙的肺。而海龟一生是不会发生上述变化的,所以不是两栖动物,而是爬行动物。
爬行动物本身也具有很多特点,主要是呼吸系统和循环系统上的。所以不能单就其能在水陆两地活动就认为它是两栖。
是
两栖爬行动物
鼋 蟒 鳄蜥 巨蜥 扬子鳄 四爪陆龟
鸟
白鹳 黑鹳 朱鹮 金雕 雉鹑 蓝鹇 白鹤 遗鸥
白肩雕 拟兀鹫 胡兀鹫 褐马鸡 孔雀雉 绿孔雀
黑颈鹤 白头鹤 丹顶鹤 赤颈鹤
玉带海雕 白尾海雕 虎头海雕 细嘴松鸡 斑尾榛鸡
黑头角雉 红胸角雉 灰腹角雉 黄腹角雉 黑长尾雉
鸨所有种
短尾信天翁 白腹军舰鸟 中华秋沙鸭 四川山鹧鸪
海南山鹧鸪 虹雉所有种 黑颈长尾雉 白颈长尾雉
两栖爬行动物
地龟 玳瑁 大鲵
绿海龟 山瑞鳖 大壁虎 虎纹蛙 棱皮龟
凹甲陆龟 细痣疣螈 镇海疣螈 贵州疣螈 大凉疣螈
细瘰疣螈 三线闭壳龟 云南闭壳龟 太平洋丽龟
两栖动物
海狮 龟 蜥蜴 龟鳖 蟾蜍 大鲵
不是,因为海龟是用肺呼吸的。
定义两栖动物的标准是:能用鳃呼吸,也能用肺呼吸的动物为两栖动物。
楼上的别瞎说。
不是,因为海龟是用肺呼吸的。
定义两栖动物的标准是:能用鳃呼吸,也能用肺呼吸的动物为两栖动物。
楼上的别瞎说。
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