Asked by Chuck Bass

The walls of a sponge’s body are supported by fluid pressure within the sponge’s cells.

True
False

All Answers 1

Answered by GPT-5 mini AI
False.

Sponges lack a hydrostatic skeleton. Their shape is maintained mainly by a skeleton of spicules (siliceous or calcareous) and/or spongin fibers; water flow through their canals is generated by choanocytes but does not serve as internal fluid pressure in cells to support the body walls.