Chap 14   Chapter 15 extras: Ecosystems and Communities   Chap 16

"The hound is running for his dinner, the rabbit is running for his life." - Aesop

Supplementary videos
Trophic cascade in Yellowstone: wolves and deer and forests and rivers
A golden detritivore: this top carnivore also scavenges on carrion
Operation Dung Beetle: David Attenborough
Cordyceps: a killer fungus: is it a decomposer? Parasite?
Lancet fluke: mind control parasite
Fossil Fuels 101: how they were formed
Hydraulic Fracturing and Horizontal Drilling for Natural Gas (Chevron infomercial)
Extracting oil sands for the Keystone XL pipeline (Washington Post)

Extra credit readings

Additional material


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