if fossils of an organism change depending on the level in which they were found then that species of organism changed over time
evolution has not effect_of_creating_new_species fossil is remains. relative is organism. marine_organism is aquatic_organism. wormcast is fossil. fossil is not remains. fossil is natural_inanimate_thing. index_fossil is fossil. fossil is not natural_inanimate_thing. evolution has effect_of_creating_new_species