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> 鼠妇是一种灰褐色或黑色的小动物,我们经常可以在花盆、石块下面发现它们,它们的身体扁平,呈长椭圆形,有多对足。当我们搬开花盆和石块,鼠妇很快就爬走了,这是为什么呢?-七年级生物
鼠妇是一种灰褐色或黑色的小动物,我们经常可以在花盆、石块下面发现它们,它们的身体扁平,呈长椭圆形,有多对足。当我们搬开花盆和石块,鼠妇很快就爬走了,这是为什么呢?-七年级生物
题目简介
鼠妇是一种灰褐色或黑色的小动物,我们经常可以在花盆、石块下面发现它们,它们的身体扁平,呈长椭圆形,有多对足。当我们搬开花盆和石块,鼠妇很快就爬走了,这是为什么呢?-七年级生物
题目详情
鼠妇是一种灰褐色或黑色的小动物,我们经常可以在花盆、石块下面发现它们,它们的身体扁平,呈长椭圆形,有多对足。当我们搬开花盆和石块,鼠妇很快就爬走了,这是为什么呢? 是我们搬动花盆和石块惊吓了它们,还是它们怕见光呢? 为探讨这一问题,我们通过实验来证明。
题目:光对鼠妇生活的影响
(1)提出问题:_____________________________________________________
(2)作出假设:_____________________________________________________
(3)制定计划:本实验中的量变是____________,在设计实验时,给鼠妇提供了_________和________ 两种环境,观察鼠妇对环境的选择。
(4)得出结论:____________________________________________________。
题型:探究题
难度:中档
来源:0112 同步题
答案
(1)光会影响鼠妇的生活吗?
(2)鼠妇适于生活在阴暗的环境中,光会影响鼠妇的生活。
(3)光照 阴暗 明亮
(4)光会影响鼠妇的生活
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题目简介
鼠妇是一种灰褐色或黑色的小动物,我们经常可以在花盆、石块下面发现它们,它们的身体扁平,呈长椭圆形,有多对足。当我们搬开花盆和石块,鼠妇很快就爬走了,这是为什么呢?-七年级生物
题目详情
(1)提出问题:_____________________________________________________
(2)作出假设:_____________________________________________________
(3)制定计划:本实验中的量变是____________,在设计实验时,给鼠妇提供了_________和________ 两种环境,观察鼠妇对环境的选择。
(4)得出结论:____________________________________________________。
答案
(2)鼠妇适于生活在阴暗的环境中,光会影响鼠妇的生活。
(3)光照 阴暗 明亮
(4)光会影响鼠妇的生活