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Lichens are made up of two, and some times three, different organisms from three different Kingdoms, which form a symbiotic relationship with each other for their mutual survival. The dominant member is a ascomycetous fungus (Kingdom Fungi), which is capable of making it's own food.
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www.hiddenforest.co.nz/lichens/what.htm
www.hiddenforest.co.nz/lichens/what.htm
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This partnership is so tough and self-reliant that lichens can grow in places like bare rock in deserts, where nothing else can survive. When it is too dry, too hot, or too cold, lichens go into a state ... They make up for this by living...
http://www.mycolog.com/lichens.htm
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･ Packing for ancient Egyptian mummies! ･ Pollution indicators ･ High mountain dwellers and Arctic survivors
http://www.countrysideinfo.co.uk/fungi/lichens.htm
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Lichen is a type of plant that is usually found in the Tundra. it is also a type of fungas.
http://wiki.answers.com/Q/What_does_lichens_mean
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Lichen - Wikipedia, the free encyclopedia
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Lichens (pronounced /ˈlaɪkən/ , sometimes ) are composite organisms consisting of a symbiotic association of a fungus (the mycobiont) with a photosynthetic partner (the photobiont or phycobiont...
en.wikipedia.org/wiki/Lichen
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For a new site with approx. 6,300 photos of lichens and lichen-related topics, please go to the Sharnoff Photography website and click on the Lichens Home Page ... For photos of lichens see:
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www.lichen.com/
www.lichen.com/
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Lichens are unusual creatures. A lichen is not a single organism the way most other living things are, but rather it is a combination of two organisms which live together intimately. ... For more about lichens, try the list of resources prepared by the American Bryological and Lichenological Society, or visit the World...
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www.ucmp.berkeley.edu/fungi/lichens/lichens.html
www.ucmp.berkeley.edu/fungi/lichens/lichens.html
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Crustose Lichens ... If the other fungi are nature's recyclers, lichens are nature's pioneers. Lichens find their homes in some of the most barren and inhospitable parts of the world. From there they slowly begin the process of creating a foundation for habitation by others.
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www.perspective.com/nature/fungi/lichens.html
www.perspective.com/nature/fungi/lichens.html
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All about lichens and their symbiosis, biology and ecology ... Lichens are some of the most amazing living things on this planet. Often the first form of life to colonise a new area of rock they occur all across the known world. Lichens are commonly seen and also commonly overlooked.
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www.earthlife.net/lichens/intro.html
www.earthlife.net/lichens/intro.html
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