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Isolation often leads to speciation, because as each isolated population evolves new characteristics, the separate populations eventually get DNA that is too different for the two to breed and have fertile offspring (this is the point when speciation has occurred). In the case that there is not isolation, the whole species must slowly evolve until it becomes a new species. However, here the line between where the speciation actually occurred becomes blurry, because it doesn't happen in a single generation.

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12y ago
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12y ago

By sympatric and allopatric speciation.

Sympatric speciation is when a new species arises in populations that overlap geographically. This one is rare and more common in plants than animals.

Allopatric speciation is when a new species arises in populations that are separated geographically. This one is more common.

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A newly formed mountain, a newly formed canyon, or a newly formed lake can all lead up to speciation.

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rapidly raising production

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Q: What are 3 events that can lead up to speciation?
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What are three events that can lead to speciation?

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