Document Type

Article

Publication Date

9-2009

Publication Title

The American Biology Teacher

Volume

71

Issue

7

Comments

Author Posting. © National Association of Biology Teachers, 2009. This article is posted here by permission of the NABT for personal use, not for redistribution. The article was published in The American Biology Teacher, Volume 71, Number 7, 2009. http://www.jstor.org/stable/20565346.

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License.

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