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Every living thing has what scientists call a biological clock that controls behavior. It tells plants when to{{U}} (62) {{/U}}flowers and insects when to leave protective cocoon (茧)and fly away. And it tells animals and human beings when to{{U}} (63) {{/U}}, sleep and seek food. It controls our body temperatures, the{{U}} (64) {{/U}}of some hormones and even dreams. Events{{U}} (65) {{/U}}the plant and animal affect its actions. Scientists recently found that a tiny animal called Siberian hamster changes the color of its{{U}} (66) {{/U}}because of the number of hours of{{U}} (67) {{/U}}. In shorter days of winter its fur becomes white. The fur becomes gray-brown in longer{{U}} (68) {{/U}}of daylight in summer. {{U}} (69) {{/U}}signals control other biological clocks. German scientists found that some internal one se A. migration B. immigration C. emigration D. transportation 查看答案 更多"Every living thing has what scienti"的相关试题: [单项选择] Every living thing has what scientists call a biological clock that controls behavior. It tells plants when to{{U}} (62) {{/U}}flowers and insects when to leave protective cocoon (茧)and fly away. And it tells animals and human beings when to{{U}} (63) {{/U}}, sleep and seek food. It controls our body temperatures, the{{U}} (64) {{/U}}of some hormones and even dreams. Events{{U}} (65) {{/U}}the plant and animal affect its actions. Scientists recently found that a tiny animal called Siberian hamster changes the color of its{{U}} (66) {{/U}}because of the number of hours of{{U}} (67) {{/U}}. In shorter days of winter its fur becomes white. The fur becomes gray-brown in longer{{U}} (68) {{/U}}of daylight in summer. {{U}} (69) {{/U}}signals control other biological clocks. German scientists found that some internal one se A. form B. bloom C. blossom D. boom 查看答案 我来回答: 提交 最新试题 ●    [单选题]电缆固定的作用是把电缆的重力和因热胀冷缩产生的(____)分散到各个夹具上或得到释放。 ●    [单选题]与有形产品相比，服务业为产品具有独有的特性，下列对于服务特性描述正确的是（） ●    The spectators held _____ as the two teams tried t ●    [多选题]《国家电网公司95598客户服务业务管理办法》规定,（）属于重大服务事件。 ●    [判断题]屏幕显示器可以数字或图形方式显示列车运行的实际速度及限制速度（或目标速度）。 ●    [判断题]589>电力购销分析是电力市场营销分析的重点。() 网站地图 我要搜题网  版权所有  ©2023  湘ICP备18016427号   购买搜题卡查看答案 [会员特权] 开通VIP， 查看 全部题目答案 [会员特权] 享免全部广告特权 推荐91天 ¥36.8 ￥80元 31天 ¥20.8 ￥40元 365天 ¥88.8 ￥188元 请选择支付方式 微信支付 支付宝支付 点击支付即表示同意并接受了《购买须知》 立即支付 系统将自动为您注册账号 已有账号登录 找回账号密码 请使用微信扫码支付 订单号： 请不要关闭本页面，支付完成后请点击【支付完成】按钮 支付完成 取消支付 恭喜您，购买搜题卡成功 系统为您生成的账号密码如下： 账号 密码 重要提示：请拍照或截图保存账号密码！ 我要搜题网官网：https://www.woyaosouti.com 我已记住账号密码