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

Options

A. Coelenterata
B. Porifera
C. Mollusca
D. Protozoa

Answer

B

Explanation

In Porifera (sponges) , bodies are asymmetrical. Body lacks tissue or organs , but forms a meshwork of cells surrounding channels that open to the outside through pores and that expand into internal cavities lined with food filtering flagelled cells (choanocytes)