• proposes that the number of species found on an undisturbed island is determined by immigration and extinction• Distance from mainland: closer island, higher immigration• Size of island: small island have fewer sepcies than large islands and smaller target for immigration...higher extinction because less resources and diversity

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1.
• proposes that the number of species found on an undisturbed island is determined by immigration and extinction
• Distance from mainland: closer island, higher immigration
• Size of island: small island have fewer sepcies than large islands and smaller target for immigration...higher extinction because less resources and diversity