You searched for: “biospecies
biospecies (noun) (plural form used as a singular)
1. A biological population of individuals that can breed together: "As far as Barbara understood biospecies, it meant that two animals can mate and conceive offspring; for example, birds, wolves, deer, buffaloes, etc."
2. A species defined primarily on biological characteristics: "An interesting fact of biospecies is that it establishes the likeness of DNA of people, or groups of people. One technique is using genetic fingerprinting."