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The three fundamental economic questions of what, how, and for whom:
Genetic Drift
A mechanism of evolution that causes random fluctuations in the frequency of alleles in a population, especially in small populations.
Mutation
A permanent alteration in the DNA sequence that makes up a gene, which can result in a change in the phenotype of an organism.
Reproductive Isolating Mechanisms
Reproductive isolating mechanisms are biological features of organisms that prevent species from interbreeding, thereby maintaining species separateness.
Interbreeding
The mating or crossing of two individuals from different populations, species, or varieties, leading to the production of offspring.
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