Instructional Video6:38
Bozeman Science

Natural Ecosystem Change

12th - Higher Ed
In this video Paul Andersen explains how the Earth's climate will natural change due to interactions between the Sun and Earth, volcanism, and plate tectonics. Species may go extinct leading to adaptive radiation or may move to a...
Instructional Video10:07
Bozeman Science

Biogeochemical Cycling

12th - Higher Ed
Paul Andersen explains how biogeochemical cycling is used to move nutrients from the environment into living material and back again. He explains the water cycle, the carbon cycle, the nitrogen cycle and the phosphorus cycle. He also...
Instructional Video8:34
Bozeman Science

Biogeochemical Cycles

12th - Higher Ed
In this video Paul Andersen explains how biogeochemical cycles move required nutrients through the abiotic and biotic spheres on our planet. Matter on the Earth is conserved so producers must receive required nutrients through the water...
Instructional Video8:43
Professor Dave Explains

The Terrestrial Environment

12th - Higher Ed
We just learned about the aquatic environment, so now let's head onto dry land! How did life initially get onto land? What can we learn about soil? What are the carbon, nitrogen, and phosphorus cycles? Let's check it all out!
Instructional Video
Crash Course

Crash Course Ecology #9: Nitrogen & Phosphorus Cycles: Always Recycle Part 2

9th - 10th
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. [9:23]