The competitive exclusion principle prevents two of these groups from occupying the same "niche.
The competitive exclusion principle prevents two of these groups from occupying the same "niche." The allopatric model led to different traits between these groups of rodents on each side of the Grand Canyon, and different (*) beak shapes help differentiate the many versions of these groups of finches in the Galapagos. A classification more specific than genus is, for 10 points, what title subject of a book by Darwin about their Origin?
The competitive exclusion principle prevents two of these groups from occupying the same "niche.
species