If two organisms can't interbreed to produce fertile offsprings, you can't place them under a

Step-by-step solution

The classification of all living organisms has been done by dividing them into different levels based on their features and characteristics. There is a hierarchy in this classification and each step represents a rank or category known as a taxonomic category. There are around seven main taxonomic ranks or categories - species, genus, family, order, class, phylum/division, and kingdom. Groups of individuals having similar fundamental qualities are called species. Species contain a group of interacting and interbreed