Ch 42: Ecosystems
Correction: In the quiz question “The amount of energy that flows through a detrital food web is less than that which flows through a grazing web” correct answer is “true”.
Today You Will Learn
- How do energy and nutrients move through an ecosystem?
- How do food chains interconnect?
- What are ecological pyramids?
- What are biogeochemical cycles?
- What is the water cycle?
- How do carbon, nitrogen, and phosphorus move through ecosystems?
Lecture Links
Review all lecture links available on this page.
| “Global Warming – The Signs and the Science” by PBS (Vimeo.com) | Video |
Question of the Day
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Canvas
It makes me aware that cleaning a debris layer is not always a good thing.
I may think again about instead turning into a mulch instead of burning it.
I ran into a problem where the PBS video link says that it is no longer available on YouTube.
The link is updated now. Thank you for your comment ☺️