KINGDOM
,CLASSIFICATION OF
ANIMAL KINGDOM
, PHYLUM PORIFERA
( PORE BEARING ANIMALS )
They are distinct from protozoans in having cellular grade of
structural organization, and from metazoans in lacking the tissue
grade of construction.
CHARACTERISTICS:
(1) Mostly marine forms, remain attached to rocks; a few fresh water.
(2) Sessile, solitary or colonial.
(3) Multicellular acoelomate organisms with cellular level of body
organization.
(4) Digestion intracelluler.
(5) Possess high capability of regeneration.
EXAMPLES: SYCON(scypha), EUSPONGIA, SPONGILLA