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Unformatted text preview: – Some lay eggs on certain host plants 3rd Factor: Biotic Factor • Organism does not occupy potential range due to predation, disease, or competition – Sea urchins and Kelp...
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This note was uploaded on 01/30/2011 for the course BIOL 303 taught by Professor Birchard during the Spring '08 term at George Mason.
- Spring '08