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Unformatted text preview: - Superior predator / parasite / disease avoidance o tnvasive Exotics: 4t+t>q4_- Species introduced intentionallly or accidently by humans- Release from native predators can improve competitive ability Keystone Species o Keystone species exert a strong control on community structure; the effect is disproportionate to their number o Review Robert Paine's experiments on M. californionus distribution and Figure 54.15 in your text. o You should also be familiar with the sea otter example in your text!...
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- Fall '10