Question

what kind of body structure does a sponge have​

Answer 1

Explanation:

Sponge don't have internal organs.They don't have muscles,a nervous system,or a circulatory system.Their walls are lined with many small pores called ostia that allow water flow into the sponge.The structure of a sponge simple

Answer 2

Answer: They don't have muscles, a nervous system, or a circulatory system. Their walls are lined with many small pores called ostia that allow water flow into the sponge. The structure of a sponge is simple. One end is attached to a solid such as a rock while the other end, called the osculum, is open to the environment.

Explanation: