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they have bilateral symmetry and three cell layers ectoderm,endoderm and mesoderm

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Sigurd Nolan

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3y ago

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What are the two big dots on a planarian's head?

The two big dots on a planarian's head are its eyespots, which detect light and help the planarian navigate its environment. They are simple light-sensitive structures that allow the planarian to differentiate between light and dark. They also help the planarian avoid predators and find food.


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How is the body plan of planarian different from an earthworm?

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