In this photos the Lichens on the piece of wood are helping the wood.
Lichens are made up of alga or a cyanobacterium that lives within the tissues
of a fungus. When plants go through photosynthesis the cyanobacterium supplies
energy to the fungus or itself. The Lichens gain from the wood because working
together they make energy and protein so that the wood can live. The wood is
giving the lichen a place to live so both the lichens and the piece of wood
benefit so the symbiosis is mutualism.
Here is a photo of the wood.
| Lichens |
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