Bulk measurements and microscale heterogeneity: Reconciling differences for the detection of agnostic biosignatures

Osama Alian1, Rachel Lee Harris2, Peter R Girguis2 and Matthew O Schrenk3, (1)Michigan State University, Microbiology and Molecular Genetics, East Lansing, MI, United States, (2)Harvard University, Organismic and Evolutionary Biology, Cambridge, MA, United States, (3)Michigan State University, Department of Earth and Environmental Sciences, East Lansing, MI, United States