Name: Briony C
I have heard that the Portuguese man-of-war is actually a
colony of individual polyps which perform different tasks (e.g.
digestion, reproduction) and are dependent on each other for survival.
What is it about the polyps that means they are classified as separate
creatures within a colony rather than just different parts of the same
Each could survive on its own, if it were separated from the others. The
complete interdependence that characterizes the cells of multicellular
organisms has not quite developed in the cells of these beautiful
Ellen S. Mayo
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Update: June 2012