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Where to watch "Crash Course Ecology"
12. Conservation and Restoration Ecology: Crash Course Ecology
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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 made.
Curiositystream (Prime11. Pollution: Crash Course Ecology
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Hank talks about the last major way humans are impacting the environment in this penultimate episode of Crash Course Ecology. Pollution takes many forms - from the simplest piece of litter to the more complex endocrine disruptors - and ultimately, humans are responsible for it all.
10. 5 Human Impacts on the Environment: Crash Course Ecology
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Hank gives the run down on the top five ways humans are negatively impacting the environment and having detrimental effects on the valuable ecosystem services which a healthy biosphere provides.
9. Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - Crash Course Ecology
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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.
8. The Hydrologic and Carbon Cycles: Always Recycle! - Crash Course Ecology
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Hank introduces us to biogeochemical cycles by describing his two favorites: carbon and water. The hydrologic cycle describes how water moves on, above, and below the surface of the Earth, driven by energy supplied by the sun and wind. The carbon cycle does the same... for carbon!
7. Ecosystem Ecology: Links in the Chain - Crash Course Ecology
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Hank brings us to the next level of ecological study with ecosystem ecology, which looks at how energy, nutrients, and materials are getting shuffled around within an ecosystem, and which basically comes down to who is eating who.
6. Ecological Succession: Change is Good - Crash Course Ecology
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In the world of ecology, the only constant is change - but change can be good. Today Hank explains ecological succession and how ecological communities change over time to become beautiful, biodiverse mosaics.
5. Community Ecology II: Predators - Crash Course Ecology
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Hank gets to the more violent part of community ecology by describing predation and the many ways prey organisms have developed to avoid it.
4. Community Ecology: Feel the Love - Crash Course Ecology
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Interactions between species are what define ecological communities, and community ecology studies these interactions anywhere they take place.
3. Human Population Growth - Crash Course Ecology
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If being alive on Earth were a contest, humans would win it hands down. We're like the Michael Phelps of being alive but with 250,000 times more gold medals. Today Hank is here to tell us the specifics of why and how human population growth has happened over the past hundred and fifty years or so.
2. Population Ecology: The Texas Mosquito Mystery - Crash Course Ecology
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Population ecology is the study of groups within a species that interact mostly with each other, and it examines how they live together in one geographic area to understand why these populations are different in one time and place than they are in another.
1. The History of Life on Earth - Crash Course Ecology
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With a solid understanding of biology on the small scale under our belts, it's time for the long view - for the next twelve weeks, we'll be learning how the living things that we've studied interact with and influence each other and their environments.
