Answer:
Mastax
Explanation:
Rotifers have a small brain, located just above the mastax, from which a number of nerves extend throughout the body.
They get it from eating sugary foods and they need it for energy
The structures that annelids use are palps, antennae, eyes, statocysts, nuchal organs and lateral organs.
I hope this helps.
Explanation:
Answer: B. I got it right on my test :)