Primary Succession: the initial pioneer species are lichen and moss, begins with bare rock, takes longer to achieve a climax community, begins when glaciers retreat, begins when volcanoes erupt, Secondary Succession: the initial pioneer species are grass and flowers, begins with soil, seeds, and life, takes less time to reach a climax community, begins when deforestation occurs, begins when lawns and farm fields are mowed, begins when humans build on the land,

Primary vs. Secondary Sort

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