allopatric speciation

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Rural Irish landscape, Sligo, Ireland.

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Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

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The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

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Cruel and Unusual Punishments: 15 Types of Torture

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10 of the World’s Most Dangerous Fish

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7 of the World’s Deadliest Shipwrecks

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

allopatric speciation

biology

Also known as: allopatry, geographic speciation

Learn about this topic in these articles:

major reference

In evolution: Geographic speciation
One common mode of speciation is known as geographic, or allopatric (in separate territories), speciation. The general model of the speciation process advanced in the previous section applies well to geographic speciation. The first stage begins as a result of geographic separation between…
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speciation

In speciation: Allopatric speciation
…that are completely separated (allopatry) by a physical barrier, such as a mountain range, river, or desert. The separated populations adapt to their own unique environments, becoming so genetically different from one another that members of one population cannot breed with members of the other. Examples of allopatric speciation…
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