This story appears in the May 2020 issue of National Geographic magazine. It has been updated with new research. At this moment, hundreds or thousands of tiny eight-legged animals are nestled deep in ...
Soil fauna includes a myriad of organisms, ranging from tiny microfauna invertebrates (with body sizes <100 μm) to meso (>100 μm to 2 mm) and macrofauna (>2 mm). Among soil mesofauna, some of the ...
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