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

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Biology

Skyler Brady

21 October, 19:25

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

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Aleena Hood · Answer 1

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.