occupancy frequency distributions
... that the reason why occupancy frequency distributions tend to be bimodal is not known?
... that the reason why <b id="mwGBk"><a href="./Occupancy_frequency_distribution" id="mwGBo" rel="mw:WikiLink" title="Occupancy frequency distribution">occupancy frequency distributions</a></b> tend to be <a class="mw-redirect" href="./Bimodal_distribution" id="mwGBs" rel="mw:WikiLink" title="Bimodal distribution">bimodal</a> is not known?