Text and illustrations below are excerpts from an article

Text below is an excerpt from an article, entitled:
A Toolbox for Working With Living Invertebrates by Charlie Drewes

to be published in Proceedings of the Association for Biology Laboratory Education (ABLE), vol. 26, 2004

Drewes, C. D. and K. Cain. 1999. As the worm turns, American Biology Teacher, 61:438-442.

Drewes, C. D. and N. Lesiuk .1999. Blackworms, blood vessel pulsations and drug effects, American Biology Teacher, 61:48-53.

Related Web Images and Resources

http://www.eeob.iastate.edu/faculty/DrewesC/htdocs/