The top row shows variation in a zooplankton, Daphnia: the morph on the right is produced in the presence of a predator cue. The second row shows an example of dimorphic variation in horn length, ...

Figure 1: Faecal microbial loads vary across enterotypes. Figure 4: Quantitative microbiome alterations in Crohn’s disease. By integrating microbial cell counting into a sequencing workflow, we ...

Variation is the differences between individuals of the same species, caused by genetic and environmental factors. Surveys into variation give data that are continuous, which means to come in a range, ...