Examlex
Discuss briefly the period of the zygote.
Parapatric Speciation
A mode of speciation in which new species evolve in adjacent or overlapping geographic areas, often due to differences in habitat or environmental pressures.
Sympatric Speciation
The process by which new species evolve from a single ancestral species while inhabiting the same geographic region.
Reproductive Isolation
Reproductive isolation occurs when reproductive barriers prevent or strongly limit reproduction between populations. The result is that few or no genes are exchanged between the populations.
Metapopulations
A group of spatially separated populations of the same species which interact at some level.
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