No, it has pores which allow the sponge to filter feed.
through its pores and holes
Pores
The body of a sponge is covered in tiny openings called pores. These pores allow water to flow in and out of the sponge, which helps the sponge filter out food particles and oxygen from the surrounding water.
The surface of the orange puffball sponge is covered with small pores that filter small particles of food from the water that passes through them. Each sponge has flagella that help move the water through the sponge.
ostium ostia
Little whips are flagella that help pump water through the pores for food.
Oh that's quite simple. Find a sponge and get a bowl. Put the sponge in the water and explain how the pores in the sponge suck in the water as you put pressure on it. As you squeeze it explain that the pores release the water through them.
Allow materials to enter and leave the sponge
The pores in a sponge are used to filter the water, and while doing that they collect food to eat
because it has pores that absorb water
Water is brought through cilia-lined pores into the hollow cavity of the sponge. As water passes through the pores, the cilia trap oxygen to breathe