Examlex
What has been the fate of the Parthenon since the Age of Pericles?
Phyletic Gradualism
Phyletic gradualism is an evolutionary model suggesting that species evolve through a gradual change of populations over long periods of time.
Speciation
The evolutionary process by which new biological species arise.
Isolating Mechanisms
Biological features or behaviors that prevent species from interbreeding, thus maintaining species boundaries and genetic integrity.
Prezygotic
Referring to mechanisms that prevent fertilization or mating between species, such as geographical separation or timing differences in mating.
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