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EVOLUTION, Natural Selection, Stabilizing, Directional, Disruptive -…
EVOLUTION
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Microevolution: Microevolution is simply a change in gene frequency within a population.
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Examples: Sparrow populations in the north are larger-bodied than sparrow populations in the south.
Macroevolution
It's the evolution that is focused in bigger a scale, rather than the micro evolution for example, the evolution of the dinosaurs.
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SpeciationThe process by which new species evolve.
SympatricNew species evolve from a common ancestor within the same geographical region. Factors such as temporal, behavioural and sexual isolation affect this force.
Peripatric
New species evolve by getting isolated completely from a larger population. these are usually small groups at the periphery.
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Allopatric
New species evolve from geographical isolation caused by physical barriers such as mountains, rivers, etc.
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Parapatric
New species evolve from two adjacent population that still share a gene flow between them. In here, there's a hybrid zone.
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Natural Selection
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It is the process in which a population adapts to a changing environment. Organisms with advantageous traits will leave more offspring, while disadvantageous ones will not, thus selecting the ones with the best traits.
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Disruptive
The disruptive selection, favor the extremes of the adaptation traits, leaving the middle traits in favored.
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