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General Characters of the Phylum Porifera and Classification
SUBJECT : Zoology
AUTHOR : Vimala C M
PUBLISHED ON : 01/07/13
NUMBER OF PAGES : ( 5 Pages)
PRICE : Rs 3.75

The phylum Porifera comprises of the first multicellular forms. These are sedentary and show a cellular grade of organization. They are primitive forms that do not respond to stimuli, as they do not have a definite nervous system. They were first thought to be plants, the presence of larval forms confirmed that they are animals.

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