A3rjcutzMsMiya A3rjcutzMsMiya

28-02-2016
Biology

Answered

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

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taskmasters taskmasters

05-03-2016

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.

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stefkellum58 stefkellum58

17-01-2019

the answer to your question is head

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