1 季节
12 插曲
Crash Course Ecology - Season 1 Episode 12 第 12 集 (2013)
Hank wraps up the Crash Course on ecology by taking a look at the growing fields of conservation biology and restoration ecology, which use all the kung fu moves we've learned about in the past eleven weeks and apply them to protecting ecosystems and to cleaning up the messes that we've already made.
- 国家 : United States of America
- 类型 : Documentary
- 工作室 : YouTube
- 导向器 :
- 投 : Hank Green