The Lichens
What are the Lichens? Lichens are organisms that symbolize the symbiosis between a fungus called mycobionte and an alga called ficobionte. A third component, a yeast has been detected in the cortex of several lichen species.
types of lichens I It is possible to distinguish numerous structural types of lichens: from the simplest ones, where fungus and algae are joined in a casual way, to the more complex
types of lichens II Considering the morphology of its stems and the way to adhere to the substrate can distinguish 7 types of lichens: Fruticulous. Foliaceous. Flaky. Gelatinous. Filamentous. Crustaceans. Compounds.
Where do lichens live? I Lichens live practically everywhere, except at sea because they do not tolerate salinity, although there are very few species of freshwater lichens We can see lichens on rocks or in the barks of trees.
Where do lichens live? II They live in inhospitable environments: hot and cold deserts, high mountain areas, etc
Images of lichens
THANKS FOR YOUR ATENTION THE END Rafa Hortelano Orenga
Information taken from •
http://www.botanical-online.com/tierra/liquenes-caracteristicas.htm
•
https://es.wikipedia.org/wiki/Liquen
•
https://www.google.es/search? q=que+son+los+liquenes&espv=2&biw=1366&bih=700&source=lnms&tb m=isch&sa=X&ved=0ahUKEwiG_qCfnvTQAhVIB8AKHbKODGo4ChD8BQgG KAE
•
https://ilbca.wordpress.com/tipos-de-liquenes/