Home » Biology mcqs » Inner layers of the sponges are made up of__________?Inner layers of the sponges are made up of__________? by A. Pinacocytes B. Choanoderm C. Choanoytes D. Pinacoderm Related Posts:80% of the food of sponges consists of__________?The skeleton of sponges is made up of___________?In sponges fertilization takes place in____________?Sperms released in water are carried to the…In most triploblasts after embryonic development the…Cellulose is the major component of__________?