Editing Algae (section)

===Physiology===
Many algae, particularly species of the [[Characeae]],<ref>{{Cite book |last=Tazawa |first=Masashi |chapter-url= https://books.google.com/books?id=iMxH0-q42PkC&pg=PA31 |access-date=7 October 2012 |volume=72 |date=2010 |publisher=Springer |isbn=978-3-642-13145-5 |pages=5–34 |doi=10.1007/978-3-642-13145-5_1 |title=Progress in Botany 72 |chapter=Sixty Years Research with Characean Cells: Fascinating Material for Plant Cell Biology}}</ref> have served as model experimental organisms to understand the mechanisms of the water permeability of membranes, [[osmoregulation]], [[salt tolerance]], [[cytoplasmic streaming]], and the generation of [[action potentials]]. [[Plant hormones]] are found not only in higher plants, but in algae, too.<ref>{{cite journal |last1=Tarakhovskaya |first1=E. R. |last2=Maslov |first2=Yu. I. |last3=Shishova |first3=M. F. |date=April 2007 |title=Phytohormones in algae |journal=Russian Journal of Plant Physiology |volume=54 |issue=2 |pages=163–170 |doi=10.1134/s1021443707020021|bibcode=2007RuJPP..54..163T |s2cid=27373543 }}</ref>