About the Authors

A. Michelle Lawing

alawing@indiana.edu

Affiliations Department of Geological Sciences, Indiana University, Bloomington, Indiana, United States of America, Department of Biology, Indiana University, Bloomington, Indiana, United States of America

P. David Polly

Affiliation Department of Geological Sciences, Indiana University, Bloomington, Indiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AML PDP. Performed the experiments: AML. Analyzed the data: AML. Contributed reagents/materials/analysis tools: PDP. Wrote the paper: AML. Contributed to manuscript revision: AML PDP.