Phylogenetic Organization of Bacterial Activity (image) Northern Arizona University Share Print E-Mail Caption Clustering in the use of carbon and oxygen shows an influence of evolutionary history on bacterial activity in soil. Credit Morrissey et al. 2016 Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.