Answer
A
Work Step by Step
Cnidarians have a very primitive nervous system that is comprised of a nerve net. This net is essentially a grid of neurons that conduct impulses across the organism's body.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.