Examlex
Slaves relied on ____________________ to create an extended family.
Speciation
Emergence of a new species.
Complete Isolation
A state or condition where an organism or population has no interaction with others; it can refer to quarantine or ecological separation.
Natural Selection
A major mechanism of evolution: the differential survival and reproduction of individuals of a population based on differences in shared, heritable traits. Outcome of environmental pressures.
Disruptive Selection
An evolutionary process that favors individuals at both extremes of a trait distribution over the average phenotype.
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