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Thu 26 Feb, 2009 07:52 pm
What is the largest living single cell organism
It might well be a foraminiferam, a single-celled protozoan with a test--shell--which reaches up to the size of a frizbee.
http://magsfieldguide.blogspot.com/2007/03/foraminifera-amoeba-with-shell.html
I don't know, but I do that there are cells in giraffes that stretch along the entire length of their necks.