1 צייַט
12 עפּיזאָד
Crash Course Ecology - Season 1 Episode 9
Hank describes the desperate need many organisms have for nutrients (specifically nitrogen and phosphorus) and how they go about getting them via the nitrogen and phosphorus cycles.
- יאָר: 2013
- לאַנד: United States of America
- זשאַנראַז: Documentary
- סטודיאָ: YouTube
- קיווערד: ecology
- דירעקטאר:
- געשטאַלט: Hank Green
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