文档介绍：biology
EDITORIAL BOARD
Editor in Chief
Richard Robinson
rrobinson@
Tucson, Arizona
Advisory Editors
Peter Bruns, Howard Hughes Medical Institute
Rex Chisholm, Northwestern University Medical School
Mark A. Davis, Department of Biology, Macalester College
Thomas A. Frost, Trout Lake Station, University of Wisconsin
h S. Saladin, Department of Biology, ia College and State
University
Editorial Reviewer
Ricki Lewis, State University of New York at Albany
Students from the following schools participated as consultants:
Pocatello High School, Pocatello, Idaho
Eric Rude, Teacher
Swiftwater High School, Swiftwater, Pennsylvania
Howard Piltz, Teacher
Douglas Middle School, Box Elder, South Dakota
Kelly Lane, Teacher
Medford Area Middle School, Medford, Wisconsin
Jeanine Staab, Teacher
EDITORIAL AND PRODUCTION STAFF
Linda Hubbard, Editorial Director
Diane Sawinski, Christine Slovey, Senior Editors
Shawn Beall, Bernard Grunow, Michelle Harper, Kate Millson, Carol
Nagel, Contributing Editors
Kristin May, Nicole Watkins, Editorial Interns
Michelle DiMercurio, Senior Art Director
Rhonda Williams, Buyer
Robyn V. Young, Senior Image Editor
Julie Juengling, Lori Hines, Permissions Assistants
Deanna Raso, Photo Researcher
Macmillan Reference USA
Elly Dickason, Publisher
Hélène G. Potter, Editor in Chief
Ray Abruzzi, Editor
ii
biology
V OLUME 1
A–D
Richard Robinson, Editor in Chief
Copyright © 2002 by Macmillan Reference USA
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Library of Congress C