Flatworms were one of the first to develop a , which allowed them to detect light, food, and mates.

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asked Sep 5, 2017 141k views

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Kuromoka · Answer 1 · 2017-09-10T03:27:57+0000

Head

Flatworms were the one to first develop a head, which displayed a cephalic presentation. They present the cephalon which in definition were the first organisms that has had a head, or a head like structure that many organisms as of now has.

Flatworms were one of the first to develop a , which allowed them to detect light, food, and mates.

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