Do roundworms have an advanced nervous system? Explain.
a. Yes, roundworms have a highly developed central nervous system, including a brain and complex sensory organs.
b. No, roundworms have a very simple nervous system, consisting of a few ganglia and basic sensory structures.
c. Roundworms have an intermediate-level nervous system compared to other invertebrates.
d. Roundworms lack a nervous system altogether.
