'Barren rock' presentation slideshows

Lesson Overview

Lesson Overview. 4.3 Succession. Primary and Secondary Succession. How do communities change over time? Ecosystems change over time, especially after disturbances, as some species die out and new species move in. Primary and Secondary Succession.

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263 views • 14 slides

Physical Geography of Canada

Physical Geography of Canada. Great Lakes- St.Lawrence Lowlands. Smallest geographical region Humid continental climate Vegetation: fertile soils, heavily treed, maple, beech, hickory, black walnut trees, oak, ash, birch, and pine

271 views • 10 slides