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A small portion of a concept map that illustrates the basics of map construction. Concepts in boxes are arranged in a simple hierarchical scheme and are linked by a propositional phrase that describes one aspect of the relationship between them. More fully conceptualized maps are presented in a recent essay by Joseph Novak (2003) in this journal and can be viewed at http://www.cellbioed.org/articles/vol2no2/article.cfm?articleID=59.
