Answer:
Trinomial naming conventions are no longer used by longer used by scientists because only the genus and species are important in taxonomy.
Step-by-step explanation:
Trinomial naming convention is the three naming system of organisms in which three names are given to the organisms i. e. genus, species and subspecies of the organism. This three naming system is removed because genus and species are important in naming system. This is an old method and the new scientist don't use it anymore for taxonomy of an organism.