In this game you are a snake instead of a blob and the goal is become the biggest and longest worm in the game.Ī single mistake is enough to make a giant worm turn into nothing and lead to the game over, even against the smallest slither worm, granting this latter a chance of becoming stronger fast without effort. 21 in the journal Scientific Reports.Crawler Worm is an addictive new mobile game that combines the classic game of snake with elements. The likely behavior that created the tunnels "records a life and death struggle between predator and prey, and indirectly preserves evidence of more diverse and robust paleo-ecosystem than can be interpreted from the fossil and trace fossil record alone," the study authors reported. Though no fossilized remains of the worms were found, the scientists identified a new genus and species, Pennichnus formosae, to describe the ancient animals, based on their burrows' distinctive forms. The researchers also detected iron-rich pockets in disturbed areas near the tops of the tunnels these likely appeared after worms reinforced the damaged walls with layers of sticky mucus. – Photos: 508 million-year-old bristly worm looked like a kitchen brushĪs the ancient worms retreated deeper into their tunnel with the thrashing prey, the struggle agitated the sediment, forming "distinct feather-like collapse structures" that were preserved in the trace fossils. – Photos: 'Naked' ancient worm hunted with spiny arms – Cambrian creatures gallery: Photos of primitive sea life
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