内容正文:
生物与环境
第五章 生态系统
鱼儿有哪些形态特征适应水中生活?
鸟类有哪些形态特产适应飞行生活?
热带植物为了适应沙漠生活,有哪些形态特征?
生物学会适应环境!
生物会对环境产生影响吗?
请举例说明
一、非生物因素对生物的影响
让我们一起通过实验来探究吧。
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鼠妇又称“潮虫”。它的身体为长椭圆形,