39.One of the following is not the characteristic feature of sponges A. Cellular level or organisation B. Body supported by chitin C. Presence of ostia D. Intracellular digestion E. Indirect development
Option B. The body of sponges is supported via way of means of spicules, which can be calcareous or siliceous, and spongin fibres. On the opposite hand, chitin is present withinside the cell wall of fungi.