Which of the followings is missing from the nervous system of planaria_____________?
Correct answer: D. none of these
- A. Ganglia
- B. Longitudinal nerves
- C. Lateral nerves
- D. none of these
Explanation
Planaria has cerebral ganglia, paired longitudinal nerve cords, and transverse lateral connections, giving it a ladder-like nervous system. Students may choose ganglia because planaria is a simple animal, but it does possess a pair of anterior cerebral ganglia.
Last updated