Flagellated cells known as choanocytes filter particles of food from the water which they bring in through openings in the body wall.
Flagellated cells known as choanocytes filter particles of food from the water which they bring in through openings in the body wall. The hollow body, which is little more than an aggregation of cells, is supported by a skeleton of spicules of chalk, silica, or fibrous protein. FTP, identify this phylum of invertebrates which live attached to rocks and other surfaces, commonly known as sponges.
Flagellated cells known as choanocytes filter particles of food from the water which they bring in through openings in the body wall.
{Porifera} (prompt on early {sponge} buzz)