About the Authors

Judith X. Becerra

becerra@ag.arizona.edu

Affiliation Department of Biosphere 2, University of Arizona, Tucson, Arizona, United States of America

D. Lawrence Venable

Affiliation Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JB. Analyzed the data: JB DLV. Wrote the paper: JB.