Question

what is the largest group of organisms capable of interbreeding? kingdom genus order species

Explanation:

In biological classification, the species is defined as the largest group of organisms that can interbreed and produce fertile offspring. Kingdoms, genera, and orders are higher - level taxonomic ranks that do not have the interbreeding characteristic as their defining feature for the group as a whole. For example, different species within a genus may not be able to interbreed.

Answer:

species