1 Stagione
12 Episodio
Crash Course Ecology - Season 1 Episode 9 Episodio 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.
- Anno: 2013
- Nazione: United States of America
- Genere: Documentary
- Studio: YouTube
- Parola chiave: ecology
- Direttore:
- Cast: Hank Green