earthworm segmented worm invertebrate the phylum annelida |
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| navigate by keyword : earthworm segmented worm invertebrate phylum annelida diagram labelled parts structure morphology animal anus bilaterally biology body clitellum design dorsal external externally fauna mouth pink prostomium science segments setae soil surface pro vector ventral zoology common garden type annelid plays vital role health ecosystem functioning earthworms burrow enhancing fertility increasing aeration drainage nutrient availability aid decomposition consuming organic matter excreting rich castings enrich |
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| The earthworm, also known as the common or garden worm, is a type of annelid invertebrate. It plays a vital role in soil health and ecosystem functioning. Earthworms burrow through the soil, enhancing its structure and fertility by increasing aeration, drainage, and nutrient availability. They also aid in decomposition by consuming organic matter and excreting nutrient-rich castings, which further enrich the soil. |
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