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Chapter 21 Sect. 4


A series of predictable changes that occur in a community over time. succession
The series of changes that occur in an area where no soil or organisms exist such as an new island formed by the eruption of an undersea volcano or an area of rock uncovered by a melting sheet of ice. primary succession
The first species to populate an area. pioneer species
The series of changes that occur in an area where the ecosystem has been disturbed, but where soil and organisms still exist. secondary succession
Created by: jafranko