Summarization of lichen

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Jan 10, 2017 15:14 NHK
In these days, I'm listening to NHK radio to study English. Today's topic was a organism of lichen. Lichen is symbiosis of alga and fungus. They independent on each other. Because fungus unable to make own food so they get food by alga's photosynthesis. In return, fungus protect alga from environment and gather the water and nutrient for them. As a result, lichen is able to survive on extreme environment like space station.

It is very interesting for me about today's topic.