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Phototropic is a word to describe if the plant moves towards light sources or away from light sources.

Positively phototropic means it moves towards light. Most, perhaps all, plants will grow towards a light source. Plants need light energy so they have evolved to grow in the direction of the best light.

Negatively phototropic means it moves away from light. Vampires are known to be negatively phototropic.

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13y ago

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