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[1] Lichen [2] 
- A compound organism formed by an association between a fungus (ascomycete or basidiomycete called a mycobiont) and a green alga or cyanobacterium (photobiont). - Secrete acids that eat away at rock breaking it down and converting it to soil - 13500 different speices many reproduce asexually by fragmentations called soredia
Carboniferous and Permian Foreign Language Flashcards - Cram.com