![Galapagos Wildlife: Lichens © Godfrey Merlen](https://www.discoveringgalapagos.org.uk/wp-content/uploads/2014/02/i1a_lichens-e1423068855931.png)
Mosses and lichens are often the first colonisers of bare rock © Godfrey Merlen
Colonisation a biological term for the spread of plants and animals into new areas. Colonisers are species that begin living in habitats that they were not previously found in.
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