
"Animal kingdom" Class 11th Biology,
Deepchand sir
Hello everyone,
In this video lecture, we learn the complete details about :-
The important characteristic features of the porifera phylum.
Animal kingdom is characterized by multicellular, Eukaryotic animal forms.
*Cellar level of organization:- The cell arranged as loose cell aggregates.
*Body symmetry:- Asymmetrical, Radial symmetry
*Diploblastic organization
*Coelom
*Segmentation
*Notochord
*Canal system(water transport system)
*Choanocytes or Collar cells line the spongocoel and the canals.
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