When a new species is introduced to an environment, one of two things typically happens. One possibility is that the new species is unprepared for the new environment and dies out quickly. There would be a strong evolutionary pressure to adapt quickly or become extinct.
The second possibility is that the previously existing species are unprepared for the new one. The new species easily and quickly reproduces. As a result of the increase, the competing species may become extinct. Those competing species are said to be crowded out.
Yard's future relies on Navy's use of subs ; If submarine warfare dies out, the Kittery shipyard could again face closure.
Aug 26, 2005; JEN FISH Staff Writer The Associated Press contributed to this report. Portland Press Herald (Maine) 08-26-2005 Yard's future...