sedimentary earthworm are formed by sublimation / cementation
geological_formation is layer. earthworm is animal. sedimentary_clay is soil. monocline is geological_formation. anthrax_in_dry_form is solid. plaque_buildup is gradual_accumulation. sedimentation_process is creation_event. earthworm is segmented_worm. ribose is precursor_to_life_on_earth.