Phrenology is considered a pseudoscience because it lacks quality experiments. Since phrenology is the study of the brain by looking at the size and the shape of the skull, there is no biological proof through experiments.
Answer: it lacks qulality experiments
Credit to: @SociometricStar
+ = <3
A cell membrane completely made of a polar substance would be completely permeable to all ions present in the extracellular environment, thus disrupting unique ionic composition within the cell.
By performing this dance, successful foragers can share, with other members of the colony<span>, information about the direction and distance to patches of flowers yielding nectar and pollen, to water sources, or to new nest-site locations.</span>
