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When moss and Lichens grow on rocks, the surface of the rock becomes more humid. This creates an environment that is prone to both chemical and physical weathering. With the added humidity, the rock becomes feeble, thus allowing the rock to ware away due to the growth of the organism.

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How can lichen weather rock?

Lichen break down rock as they grow, they trap moisture and organic compounds underneath, and seeps into the cracks into the rocks. On cold days, the water expands; eg. ice and fragments the rock. I'm not too sure but maybe also the lichen's waste but that's a guess..


What is an organism made up algae and fungi living together called?

Fungi and algae live together as lichens. This is a symbiotic partnership where the fungi supply water and mineral nutrients and the algae sugar, oxygen and fixed nitrogen. Lichens are critical to early soil development. They are often found on rocks and trees and lichens may grow in combination with mosses which are also found in these locations. as moss found on rocks and trees


What lichens and how do they break down rocks?

Lichen are a composite of two organisms (fungus and algae) living symbiotically and they have a small amount of acid. ;p and it breaks down rocks by growing on rocks!


How do lichens weather rocks?

Lichens weather rocks through a combination of physical and chemical processes. The fungal component of lichens produces acids that can break down minerals in the rock, while the physical growth of the lichen can also contribute to the weathering process by exerting pressure on the rock surface. Over time, these processes can slowly break down the rock into smaller particles.


What producer that breaks down rock?

lichen a lichen is a producer that is actually composed of two different species, a fungus and an alga. the alga photosynthesizes, while the fungus absorbs nutrients from rocks and holds water. together they begin to break down the rock.