2 季节
81 插曲
Crash Course Biology - Season 2 Episode 42 第 42 集
Plants may not seem like they’re doing much, but if you look closer, you’ll find a whole world just lurking beyond the surface. We’re talking chemical defenses, highways, and even ways to change the weather. In this episode, we’ll learn how plants get resources, get rid of waste, stay defended, govern themselves, and much more.
- 国家 : United States of America
- 类型 : Documentary
- 导向器 :
- 投 : Samuel Ramsey