The diagram shows a sponge. What is the function of the structures labeled X?

providing protection from predators
fertilizing eggs
filtering and digesting food
stinging prey

Ibelieve the answer is the second one. plz don't kill me if i got it wrong. > .<

Answerencaustic and fresco;

B.) what tasks you need to complete. this is because if there is even a little focus of what the world is doing, you are missing something that you need to be doing. its self discipline. by goggles you see, and be you goggles you are seeing you. no one else.