Earthworm body is covered externally by a thin, non-cellular layer called (1)Body wall (2)Epidermis (3)Coelomic epithelium(4)Cuticle
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cuticle
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Earthworm body is covered externally by a thin, non-cellular layer called Cuticle.
Option (4)
Explanation:
- Earthworms are called as Farmer's friends as they help in the soil enrichment.
- Earthworm belongs to the phylum Annelida.
- It is found mostly in the soil and get its feed from live/dead organic matter.
- Earthworm has long, segmented body.
- The non-cellular layer (cuticle) covers the entire body of the worm and protects the worms from getting dry and protects the worms' epidermal layer from the roughness of soil.
- Mucopolysaccharides, collagen and gelatin are the major composition of the cuticle.
Learn more about earthworms
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