There are five kingdoms: animals, plants, fungi, chromists—including one-celled plants such as diatoms—and protozoa, or one-celled organisms.

归有五个界：动物界、植物界、真菌界、茸鞭生物界——包括单细胞植物，如硅藻——和原生动物界，或单细胞生物体。

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However, all fungi do show the same dependence on nutrients produced by plants, animals, or algae.

但所有真菌都依赖由植物，动物或藻类产生的营养。

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We thus conclude that plants have proteins larger than bacteria but smaller than animals or fungi.

因此，我们认为植物有比细菌更大、但是却比动物或真菌小的蛋白质。

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