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Unformatted text preview: and reproduce Interdependencies among organisms o Producers Make their own food with external energy o Consumers Depend on energy stores in tissues of others o Decomposers Break down remains and wastes Energy Flow o Sun o Organism to organism o Energy flows in 1 directions o Eventually, all energy flows back to the environment Three-Domain Classification o Bacteria single cell prokaryotes, most ancient lineage o Archaea single cell prokaryotes, live in extreme conditions o Eukarya (protests, plants, fungi, animals) eukaryotes (with nucleus) single and multi-celled protests, plants, fungi, and animals Levels of organization o Ecosystem level o Community level o Population level o Organism level o Organ system level o Organ level o Tissue level o Cellular level o Chemical level...
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This document was uploaded on 10/26/2011 for the course BIOL 101 at UNC.
- Spring '08