🌵The sandworms of Arrakis have always existed and undergo a biological metamorphosis.
🪜The true origin of the worms is revealed in the third book of the Dune series.
🌌The sandworms were not native to Arrakis and were brought from another planet.
🌍The worms may have come from a different planet in space, but no evidence of their existence is found elsewhere in the human universe.
🛸The possibility of alien involvement in the introduction of the sandworms cannot be ruled out.