After all, the flatworm planaria does just fine with eyes that are arguably not as good.

从上可知，扁形涡虫的眼睛比理论上要好得多。

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The tiny flatworm Planaria can be cut into as many as 32 pieces, each of which will grow into a whole new animal complete with eyes, mouth and internal organs.

涡虫类扁虫能被切成三十二片，而每一片都会长成一只全新的动物，眼睛、嘴和内脏俱全。

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The last one.Just follow along till you catch up. All right, guys, today we are gonna beobserving the behavior of planaria, aka flatworms.

VOA: standard.other

However, one young researcher, who investigated the effects of light on asexual reproduction of planaria (flatworms), described what it was like to learn during the course of his experimentation that his hypothesis was wrong.

WHITEHOUSE: Office of Science and Technology Policy Blog