LS2.C: Ecosystem Dynamics, Functioning, and Resilience

 
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In this video Paul Andersen explains how ecosystems respond to disruptions.  Disruptions can cause changes in the number and variety of organisms.  It can also lead to migration, extinction or even speciation.  Ecosystems that have a higher biodiversity are able to respond to large disruptions over time.  A K-12 teaching progression is also included.