Credits for this Experiment:    This laboratory exercise was inspired by an article by Brian Drayton and Prassede Calabi "Long-term plant responses to environmental change: leaf stomata densities" that appeared in Hands On! Spring 1992. Vol. 15, Number 1, published by TERC (Cambridge, Mass, see www.terc.edu/handson), and by the laboratory activity "Responses by stomata on leaves to microenvironmental conditions" by Carol A. Brewer (1992) pages 67-75, in Tested studies for laboratory teaching. Volume 13. (C. A. Goldman, Editor). Proceedings of the 13th Workshop/Conference of the Association for Biology Laboratory Education (ABLE), 191 pages. (available at: http://www.zoo.utoronto.ca/able/volumes/vol-13/3-brewer/3-brewer.htm).

   This submission was greatly improved by comments from anonymous reviewers, and by comments from Susan Will-Wolf and Reid Harris on the appendix on statistics.

Credits for this Volume of TIEE:    Please see the Editor's Notes to TIEE Volume 1.

Credits for TIEE:    see TIEE Overview.

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