Explanation

Planaria has a diffused nervous system.

Planarians, which are flatworms belonging to the genus Planaria, have a primitive nervous system known as a diffused nerve net.

This nerve net is spread throughout the body and lacks the centralized organization found in more complex nervous systems.

Despite its simplicity, this nervous system allows planarians to exhibit basic behaviors such as:

• movement
• feeding
• response to stimuli
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