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Keystone Species in an Ecosystem Using Connection Circles to Tell ...

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1 We have revised this lesson from the version <strong>in</strong> the earlier edition of The Shape of Ch<strong>an</strong>ge (2004) <strong>to</strong> make ourexpl<strong>an</strong>ation of connection circles more clear. For more <strong>in</strong>formation on this lesson <strong>an</strong>d its next steps, also seeLesson 11 <strong>in</strong> The Shape of Ch<strong>an</strong>ge, S<strong>to</strong>cks <strong>an</strong>d Flows (2007) by Quaden, Ticotsky <strong>an</strong>d Lyneis, also available fromThe Creative Learn<strong>in</strong>g Exch<strong>an</strong>ge at www.clexch<strong>an</strong>ge.org.2“The Case of the Tw<strong>in</strong> Isl<strong>an</strong>ds” is a chapter from The Case of the Mummified Pigs <strong>an</strong>d Other Mysteries ofNature, by Sus<strong>an</strong> E. Qu<strong>in</strong>l<strong>an</strong>, illustrated by Jennifer Owens Dewey, published by Carol<strong>in</strong>e House, Boyds MillsPress, Inc., 1995. For your convenience, the chapter is repr<strong>in</strong>ted with permission on page 137. We urge you <strong>to</strong> getthe book <strong>an</strong>d use connection circles <strong>to</strong> explore its m<strong>an</strong>y other <strong>in</strong>trigu<strong>in</strong>g s<strong>to</strong>ries.17

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