A Genetic bottleneck
reproductive isolation
A shortage of land for the growing population of Greece
Example 1: There is a club where membership is allowed only to male candidates & women or females are not allowed, it is legal but unethical .another Example: In a whites-only diner when you are black in the Jim Crow era south.
The Black Footed Ferret. This Is Because That Prairie Dogs Are The Black Footed Ferret's Main Prey. And The Prairie Dogs Have Been Poisoned By Ranchers And Farmers. This Is The Main Reason Why The Black Footed Ferret Is Endangered. There Is No Other Animal In The Prairie Dog Population And Is All I Can Think Of.
Black Bourton's population is 274.
Black Notley's population is 1,646.
Many magazines use black male models to showcase clothing. An example of this can be seen in People magazine, which uses a diverse population of models in order to mirror the actual population.
Considering that the 2010 President of the United States is a black man with a black family, yes, black people are, in fact, allowed in the White House just as anyone of any other race is allowed.
For the same reason that a crow is black.
EA Black Box's population is 350.
Black River District's population is 60,587.
Black Box Corporation's population is 4,300.