Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of which of the following phylum?

The correct option is C Porifera. The body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development is the characteristics of phylum Porifera. Poriferans are commonly called sponges. These are multicellular organisms which are sessile/sedentary in nature. Most of them are marine while a few are freshwater forms. The body is cylindrical, asymmetrical or has radial symmetry. So, the correct answer is option C.