Lec24 - Ecosystem Ecology: • Finish last outline...

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Unformatted text preview: Ecosystem Ecology: • Finish last outline (skipping section on succession) • Ecosystem Ecology • tro phic le ve ls • e ne rg y flo w thro ug h e c o s ys te m • c he m ic a l c yc ling • g e ne ra lize d s c he m e • c lim a te (c ha p 35; pg 720-721) • im pa c t o f s o la r e ne rg y • ro ta tio n a nd tilt o f e arth • land fe a ture s & latitude Thursday 12/1/11 Energy Flows Through Ecosystems You can think of the organisms in an ecosystem as chemical machines fueled by energy captured in photosynthesis • producers • • consumers are the • herbivores • • they are the Energy Flows Through Ecosystems Carnivores • occupy the third trophic level • some carnivores also eat plants, • The fourth trophic level Detrivores • also known as Decomposers are organism • bacteria and fungi are the Energy Flows Through Ecosystems • Ecologists assign every organism in an ecosystem to a trophic level • a trophic level • food energy fig 34.2 • Primary productivity...
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This note was uploaded on 01/18/2012 for the course L 100 taught by Professor Dr.susanhengeveld during the Fall '11 term at Indiana.

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Lec24 - Ecosystem Ecology: • Finish last outline...

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