Q. Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum :
A) Protozoa
B) Coelenterata
C) Porifera
D) Mollusca
Explanation
[Solution] Sponges (Porifera) have choanocyte-lined canals and indirect development. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.