The other thing is that we hardly ever observe competitive exclusion — one species driving another extinct. (scientificamerican.com)
Even minor differences in the response to environmental change of co-occurring closely related species can quickly affect the level of reproductive isolation and patterns of competitive exclusion between species. (sciencedaily.com)
Tri-Lution ® is a direct - fed microbial designed using competitive exclusion technology to help animals through stressful times. (agriking.com)