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ancestor

[an-ses-ter, -suh-ster] / ˈæn sɛs tər, -sə stər /


Example Sentences

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I teach my students about Didion’s ancestor, Nancy Hardin Cornwall, who trekked westward with the Donner-Reed party in 1846.

From Los Angeles Times • Jun. 8, 2026

"Octopuses are among the most evolutionarily distant animals from humans, as our last common ancestor was a worm that lived 350 to 500 million years ago," says Kieseler.

From Science Daily • Jun. 5, 2026

Congress created the Tenth Circuit in 1929, and it added the ancestor of the D.C.

From The Wall Street Journal • May 31, 2026

The team also traced the gene FOS, which is widely expressed in blood cells across many animal species, back to a unicellular ancestor that lived about 700 million years ago.

From Science Daily • May 27, 2026

One method is to examine a map of the geographic distribution of the crop’s or animal’s wild ancestor, and to reason that domestication must have taken place in the area where the wild ancestor occurs.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond




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