https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/4024495
A rural sunset.NZ
Lichens are formed from both a fungus and an algae living in a partnership which enables them to survive in some of the hottest and coldest places on the planet. They are often the first living creatures to colonise bare rock and begin the process of breaking down rocks into soil that other plants start to grow in. Original public domain image from Flickr
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