Guest guest Posted December 9, 2006 Report Share Posted December 9, 2006 PROTOCTISTA Greek: protos, very first; ktistos, to establish "Kingdom Protoctista is defined by exclusion: its members are neither animals (which develop from a blastula), plants (which develop from an embryo), fungi (which lack undulipodia and develop from spores), nor prokaryotes. They comprise the eukaryotic microorganisms and their immediate descendants: all nucleated algae (including the sea-weeds), undulipodiated (flagellated) water molds, the slime molds and slime nets, and the protozoa. Protoctist cells have nuclei and other characteristically eukaryotic properties; most have aerobiosis and respiration in mitochondria and 9+2 undulipodia at some stage of the life cycle." (Ref: Biology Department, Morrill Science Center (South),University of Massachusetts Amherst) For what it's worth (to borrow a phrase from )... Amy Siedlecki Quote Link to comment Share on other sites More sharing options...
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