Biological weathering is the process by which rocks are broken down by living organisms, such as plants, animals, and microbes. In the context of GCSE Geography, it is important to understand that this type of weathering occurs when plant roots grow into cracks in rocks, prising them apart, or when animals burrow into the ground, displacing rock material. Biological weathering plays a crucial role in shaping landscapes and contributes to the formation of soil, making it an essential component of the Earth's natural processes.
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