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.