Lichens are a mutualistic relationship between algae and fungus. They were the first lifeforms to invade dry land and are capable of surviving extreme conditions. Here Golden Crust grows on granite.
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Keywords
20000 species known,
400 million years bp,
abstract,
algae,
antioxidant,
ascomata,
colonizer,
commensal,
common,
composite organism,
cyanobacteria,
dehydration,
diaspores,
early colonizers,
ecosystem,
encrusting,
environment,
evolution,
external digestion,
extreme conditions,
foliose,
fungal filaments,
fungus,
golden crust,
granite,
growth rate,
harsh habitat,
lichen,
long-lived,
medicinal,
morphology,
mutualistic relationship,
oldest living terrestrial organisms,
orange,
partnership,
patch forming,
photosynthesis,
pigments,
pioneer species,
rocks,
sensitive,
slow growing,
stone,
surface,
symbiosis,
textured,
thallus,
vegetative reproduction,
xanthoria parienta,
yellow