Relative Abundance - Click on “relative abundance” to use relative abundance for the stacked bar visualization. Abundance Score - Click on “abundance score” to use abundance score for the stacked bar visualization. % Others - Enter a number in front of %others to group more or fewer organisms into the “others” category. This is useful if you have many lower abundance organisms and you would like to get a better view of the higher level calls.Use the taxonomic switcher in the top menu bar to switch between levels.