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Lichen, SEM
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Lichen, SEM
Lichen. Coloured scanning electron micrograph (SEM) of a lichen. The round structures are the fruiting bodies (apothecia), which contain the reproductive spores of the fungi. Lichens are symbiotic organisms formed of a fungus and an alga that mutually benefit one another. The alga is contained within the hyphae (filaments) of the fungus. They are therefore protected from harsh conditions, and in particular from dessication. The alga supplies the fungus with nutrients that it makes by photosynthesis. Lichens are usually found growing on stones and the bark of trees
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Media ID 6291863
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Alga Algae Bodies False Colour Fruiting Body Fungal Fungi Fungus Hypha Hyphae Lichen Mutualism Mutualistic Spore Bearing Symbiosis Symbiotic False Coloured Micro Biology Microbiological
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