Earthworms are hermaphrodites, which means they possess both male and female sex organs.The sun’s ultraviolet radiation is lethal to the thin-skinned earthworm, so they can only be found on the surface in dull, wet weather.Key Facts & Information Amazing Earthworm Facts See the fact file below for more information on Earthworms, or alternatively, you can download our 22-page Earthworm worksheet pack to utilize within the classroom or home environment. Earthworms can be found in nearly every type of soil on the planet, as long as the moisture and organic content are adequate. ![]() Download the Earthworm Facts & WorksheetsĮarthworms are small, soil-dwelling invertebrates sensitive to the pH, waterlogging, compaction, rotation, tillage, and organic matter, all of which are good biological indicators of soil health.
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