Crash Course Chemistry Consultant, Dr. Heiko Langner talks to Hank about lab safety, geochemical research, and cleaning up super fund sites. Afterward, Jessi Knudsen from Animal Wonders joins them with Zapper, the Alexandrian Parakeet....

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 (a collection of living and nonliving things interacting in...

Discover how mercury travels through food chains, and how its concentration multiplies along the way.
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Biology - Ecosystems - L
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rning Points.
/> A Twig FactPack Film.
Open a discussion on what has...

Investigating why peregrine falcon populations are threatened by pollution from industry thousands of kilometres away. Biology - Ecosystems - Learning Points. The peregrine falcon lives remotely but is affected by man-made chemicals....

In this science project you will create a beeswax wrap and compare it's physical properties, sustainable characteristics, and food storage capabilities to commonly used plastic wrap.

This live-action video program is about biomagnification. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated...

This live-action video program is about bioaccumulation. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated...