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The term is a reference to similar phenomena Charles Darwin encountered in the Galápagos Islands , with its isolated flora and fauna , which were key observations in the development of Evolutionary Theory .
 person: Charles Darwin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Charles Darwin