In the last three years, however, he has seen the buyer population diversify; there are more from Long Island, Brooklyn, and elsewhere in Queens, as well as an influx of Asian-American buyers.
Therefore, such an agent could be applied in human populations diversified by apoE isoform status.
Ten replicate populations diversified into cultures consisting of two ecotypes that specialized on glucose or acetate [See Additional file 1].
If the DENV-1 populations diversified in the 1994 1998 interepidemic period, the changes could have been due to a genetic bottleneck, such as has been proposed to explain the disappearance of ancestral strains and the appearance of new strains of DENV-2 and -3 in Thailand (16, 17 ).
Understanding the process by which populations diversify leading, ultimately, to speciation has been one of the major focuses of evolutionary biologists for decades [ 1- 3].
The initial selection is for better utilization (transport and scavenging) of limiting nutrient but, after ~50 generations, populations diversify into separate lineages with diverse phenotypes and eventually evolve cross-feeding polymorphisms [ 19, 23- 26].
Diversified student population The student population has diversified by age, level of education, motivation, existing experience, learning skills and capabilities.
Seppy Basili, senior vice president at Kaplan Inc., the education and test preparation company, said in an interview that the overall results "really foreshadow what the future will look like" as the nation's student population diversifies and college attendance rises.
