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Planaria gonocephala

Planaria gonocephala

One of the most common types of flatworms.



Planaria, flatworms, Turbellaria, worm, gastrovascular cavity, animal, biology

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  • - This is where most of the nerve cells are located. Through evolution nerve cells became concentrated in the head of organisms, as most of the stimuli affect this body part. This process is called cephalization. Planaria show an early stage of cephalization.

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