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Gastropods, or snails and slugs, are the largest class of molluscs with over 35,000 living species. They have a head-foot region used for locomotion and a visceral hump containing organs. Many secrete a coiled calcium carbonate shell. As gastropods developed, their bodies underwent a twisting process called torsion that positions sensory organs near the head for movement. Gastropods use radula and digestive glands to scrape and digest food, and their mantle cavity functions in gas exchange, waste removal, a

Author

danish

Language

EN