Correct option: Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum Porifera.            

Explanation for the correct option:            

• Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum Porifera.
• They are multicellular organisms, body filled with pores and channels that helps in circulation of water current.
• The stem cells found in the poriferans are called archaeocyte cells.
• For example: sponges.