Biotic+Interactions

Keystone Competency: B.4.2.2 Describe biotic interactions in an ecosystem (e.g. competition, predation and symbiosis)
 * [[image:succession.png width="400" height="245" caption="Biotic Interactions" link="@http://www.hippocampus.org/homework-help/Biology/Populations%20and%20Ecosystems_The%20Dynamics%20of%20Communities.html"]] ||  ||