这些不是单个的植物；每一种都是藻类和真菌的共生组合。
These are not single individual plants; each one is a symbiotic combination of an alga and a fungus.
青苔是一种浅根植物，是藻类和真菌共生形成的一种低等植物。
Lichen is a simple plant, which comes from symbiotic growth of algae and epiphyte .
那么结果便是，这些区域更容易融化形成水，那也就正是原始生物形成的起源地，比如说藻类和真菌类。
As a result, these regions may have been more likely to melt, creating water bodies where primitive life-forms, such as algae and fungi, could thrive.
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