Examlex
The optimal sharing group for national defense is the size of a nation.
Isolated
Being separated from others, either physically or socially, resulting in a lack of contact or interaction.
Demographic Bottleneck
A sharp reduction in the size of a population due to environmental events or human activities, leading to a decrease in genetic diversity and potential survival challenges for the population.
Genetic Drift
A mechanism of evolution that involves random fluctuations in the frequencies of alleles (variations of a gene) in a population, particularly in small populations.
Inbreeding Depression
A decrease in biological fitness and health in a population due to breeding between closely related individuals.
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