Crash Course Ecology Season 1 Episode 9 Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 2012
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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.
- Released: 2012-12-31
- Runtime: 13 minutes
- Genre: Documentary
- Stars: Hank Green
- Director:
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1. The History of Life on Earth 2012-11-05
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3. Human Population Growth 2012-11-19
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4. Community Ecology: Feel the Love 2012-11-26
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5. Community Ecology II: Predators 2012-12-04
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6. Ecological Succession: Change is Good 2012-12-10
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7. Ecosystem Ecology: Links in the Chain 2012-12-18
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10. 5 Human Impacts on the Environment 2013-01-07
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11. Pollution 2013-01-14
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12. Conservation and Restoration Ecology 2013-01-21
