The natural mechanisms that prevent a virus or disease from spreading from one species to another.
- 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.
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Syllabification: spe·cies bar·ri·er
Definition of species barrier in:
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