- The natural mechanisms that prevent a virus or disease from spreading from one species to another.More example sentences
- We do not want the risk of a new infection jumping the species barrier.
- I try to apply the golden rule beyond the species barrier.
- Breeders may then attempt wider interspecies hybridizations or may use GM techniques to transfer genes across species barriers.
More definitions of species barrierDefinition of species barrier in:
- The British & World English dictionary