Ecological Succession 12 Primary succession = succession where no soil exists Pioneer species = the first living organisms to populate an area Secondary succession = succession to existing ecosystem after natural disaster
Mt. St. Helens 13 Before eruption – May 17, 1980 After eruption – May 18, 1980 Today
Other succession examples 14 Tuolumne Meadows - Yosemite
Climax Communities Land Biomes Complete the Climax Communities Video Worksheet 15
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