Collembolans are small hexapods rarely exceeding 5 mm in length. The 7,000 known species are found in a variety of habitats including leaf litter, soil, shorelines, water surfaces, intertidal zones, snow fields, and caves. They are abundant in the habitats they frequent where they can be the most abundant arthropods. As hexapods, springtails possess a body with head, thorax, and abdomen. The thorax has three segments, each with a pair of legs but no wings.
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