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The Jotoki begin life as small aquatic swimmers , most of which are eaten by predators ; in time , five of the survivors will merge to form one collective organism , which grows into an arboreal adolescent form ; its tails become arms , and its fins differentiate into fingers .
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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:
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