Fitness experiment data used for heritability measurements.

“batch” is an arbitrary alphabetical letter referring to the date the replicate was performed (either D or E). “rep” is the replicate within batch/day (rep1 or rep2). “geno” is the genotype information (which genotype was being competed against the “AN” ancestor, or “alone” if alone in competition). “time” is the time the sample was collected in units’ hours. “sel_cond” is the condition of the selection—either the initial population (“init”), no selection for sedimentation rate (“NO_SEL”), selection for sedimentation rate (“YES_SEL”). “NOT_CLUMPY” is the count of microcolonies with not clumpy phenotype. “YES_CLUMPY” is the count of microcolonies with clumpy phenotype. “cell_density” is the measured cell density at time of dilution after period of growth. “N” is the total population growth calculated from cell_density per fold dilutions (1/250 per day). “gen” is the number of generations of growth based on cellular counts. Note for both “N” and “gen” that due to the synchronized coenocytic growth the cultures, they underwent a large increase in cell count after 48 hours. “date” is the date the replicate was performed (April or May 2019). “temp” is the temperature of the competition. The data underlying this figure may be found in S4 Data; see Methods. (XLSX)