The physical fragmentation of organic matter into smaller pieces is achieved primarily by invertebrate detritivores.

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Invertebrate detritivores, such as earthworms, millipedes, and woodlice, play a crucial role in breaking down organic matter into smaller pieces. Their feeding and mechanical actions can increase surface area, facilitating the decomposition process by increasing the accessibility of microorganisms to the organic matter. Other factors, such as weathering, microbial activity, and physical disturbance, can also contribute to fragmentation.

The Physical Fragmentation of Organic Matter into Smaller Pieces Is