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Part C - Experimental prediction: Comparing competitive exclusion with niche differentiationConnell’s results led him to conclude that Chthamalus’ realized niche is smaller than its fundamental niche because of interspecific competition with Balanus. Butwhat if competitive exclusion were not the explanation? What if Chthamalus’ and Balanus’ respective niches were a result of niche differentiation instead? Niche The rock below represents step 3 of Connell’s experimental procedure (see Part A) after he removed Balanusfrom one half of each transplanted rock.Predict how the outcome of Connell’s experiment would be different in this hypotheticalscenario in which niche differentiation -- not competitive exclusion -- is thereason for Chthamalus’limited niche. . Hint 1. Niche differentiation review
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10/15/15, 2:57 PM Homework 2 - Community Ecology I Page 27 of 48
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  • Spring '14
  • AmyM.McMillan
  • Ecology, Evolution, Mastering Biology, Ecological niche, Balanus, Chthamalus

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