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Ernst Mayr - Animal species and evolution (1963)

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Isolating mechanisms are biological properties of individuals that prevent the interbreeding of populations that are actually or potentially sympatric.

Ernst Mayr

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Worry does not empty tomorrow of its sorrow. It empties today of its strength.
Corrie ten Boom

Ernst Mayr

Ernst Mayr
Creative Commons

Born: July 5, 1904
Died: February 3, 2005 (aged 100)
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