Why is earthworm is considered to be an invertebrate? Which class of animal does it earthworm belong to and why?
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Explanation:
the the earthworms are belongs to the annelida category becauseEarthworm, also called angleworm, any one of more than 1,800 species of terrestrial worms of the class Oligochaeta (phylum Annelida)
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Earthworm is an invertebrate because it does not posses a notochord in any stage of its life, nor does it show a vertebral column which is an identifying feature of vertebrates.
Earthworm belongs to phylum Annelida. Annelids have metameric segmentation (true segments) and it resembles other properties of phylum Annelida, so earthworm is an annelid.
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