Question

What is porifera explain brefely​

Answer 1

Answer:

phylum of primitive invertebrate animals comprising the sponges and having a cellular grade of construction without true tissue or organ formation but with the body permeated by canals and chambers through which a current of water flows and passes in its course through one or more cavities lined with choanocytes.

Answer 2

Answer: Porifera or sponges, areally the simplest and oldest of the multicelled animals, with fossil dating back to precambian times. They are aquatic and sessile, living permanently attached to submerged objects. More than 5,000 species are

Known, most of which occur in shallow coastal waters and in the deep sea..

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