Cnidaria
Cnidarian can also be refers
to as Coelenterate and belong to the phylum Cnidaria. They share several
attributes and this support the theory that they had a single origin. Cnidarian
distinguish feature is the presence of Cnidocyte, a specialized cell that is
being used mainly for capturing prey. The Cnidarians include jellyfish, Sea
whips hydras, corals, sea pens etc.
