Which of the followings show diffused type of nervous system?
Correct answer: A. Hydra
- A. Hydra
- B. Planaria
- C. Frog
- D. Man
Explanation
Hydra has a diffuse nerve net in which neurons spread throughout the body without forming a central brain. Planaria has a more centralized ladder-like nervous system, while frog and man have highly centralized systems.
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