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 a specific place), and which basically comes down to who is eating who.

Like Crash Course! http://www.facebook.com/YouTubeCrashCourse
Follow Crash Course! http://www.twitter.com/TheCrashCourse

Table of Contents
1) Defining Ecosystems 0:49:1
2) Trophic Structure 4:44:1
a) Primary Producers 5:27
b) Primary Consumers 5:41
c) Secondary Consumers 5:49:1
d) Tertiary Consumers 5:58:2
e) Detrivores 6:08:1
3) Bioaccumulation 8:47


References and image licenses for this episode in the Google doc here: http://dft.ba/-3f2M Support CrashCourse on Subbable: http://subbable.com/crashcourse