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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.
- Соли: 2013
- Кишвар: United States of America
- Жанр: Documentary
- Студия: YouTube
- Калимаи калидӣ: ecology
- Директор:
- Рехтан: Hank Green
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