ਜਿਲਬ: ਰੀਵਿਜ਼ਨਾਂ ਵਿਚ ਫ਼ਰਕ

[[ਤਸਵੀਰ:AlgaeTree.png|thumb|298x298px|The lineage of algae according to Thomas Cavalier-Smith. The exact number and placement of endosymbiotic events is currently unknown, so this diagram can be taken only as a general guide.<ref name="keeling">{{Cite journal|title=Diversity and evolutionary history of plastids and their hosts|author=Patrick J. Keeling|url=http://www.amjbot.org/cgi/content/full/91/10/1481|journal=American Journal of Botany|year=2004|volume=91|pages=1481–1493|doi=10.3732/ajb.91.10.1481|issue=10|pmid=21652304|access-date=2016-05-21|archive-date=2008-02-27|archive-url=https://web.archive.org/web/20080227023326/http://www.amjbot.org/cgi/content/full/91/10/1481|dead-url=yes}}</ref><ref name="parfrey">{{Cite journal|title=Evaluating Support for the Current Classification of Eukaryotic Diversity|authors=Laura Wegener Parfrey, Erika Barbero, Elyse Lasser, Micah Dunthorn, Debashish Bhattacharya, David J Patterson, and Laura A Katz|doi=10.1371/journal.pgen.0020220|journal=PLoS Genet.|date=December 2006|volume=2|issue=12|pages=e220|pmid=17194223|pmc=1713255}}</ref> It represents the most parsimonious way of explaining the three types of endosymbiotic origins of plastids. These types include the endosymbiotic events of [[ਨੀਲ ਹਰੀ ਕਾਈ|cyanobacteria]], red algae and green algae, leading to the hypothesis of the supergroups Archaeplastida, Chromalveolata and Cabozoa respectively. Endosymbiotic events are noted by dotted lines.]]