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EcologicalSuccession

QuestionAnswer
Ecological Succession leads to a stable ecosystem in equilibrium
Pioneer Species first organisms to inhabit an area because the organisms obtain their energy from photosynthesis
Pioneer Species for Primary Succession Lichens attached to rocks
Pioneer Species for Secondary Succession Weeds and grasses growing in soil
Longer Length of Time Required for primary succession to reach a climax community
Shorter Length of Time Required for secondary succession to reach a climax community
Soil Material at the beginning of secondary succession
Rock Material at the beginning of primary succession
Sequence of Events for Primary Succession Lichens - Grass- Flowering Plants-Shrubs-Trees
Sequence of Events for Secondary Succession Weeds & Grasses-Flowering Plants-Shrubs-Trees
Deeper Soil Necessary for the larger root structures of shrubs and trees
Biodiversity The number of species in an ecosystem; Ecosystems with high species richness have a greater sustainability after a disturbance
Lowers Biodiversity Overgrazing by livestock, Mowing grass, burning an area,
Soil Nutrient Improvement Methods Decomposing pioneer species or burning of vegetation
Primary Succession Events Volcanic eruption, lava flow, rock slide, glacier retreat, land slide
Secondary Succession Events Tornado, Fire, Hurricane, Flood ,Plowed Field
 

 



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