Porifera: members of this phylum have special collar cells. They have cellular level of body organisation.
Cnidaria: members have stinging cells on the tentacles surrounding mouth.
Ctenophora: members have comb like ciliary plates for swimming.
Platyhelminthes: For the first in animal kingdom, members of this phylum there is development of sensory and nervous tissue in the head region (cephalization)
The micro organisms are found in <em><u>hot springs </u></em><em><u>soil </u></em><em><u>snowfield beneath earth rocks inside roots swamps water... </u></em>
