Natural selection dating

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The dinosaur evolution project lets students use their imagination and genetics to create a new dinosaur.

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Fans of "blue skies, wide open spaces [and] raising animals" are welcome.

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With more than 7 million members, it seems to have found an audience. Animal magnetism a plus You don't actually have to be a farmer to join Farmers Only, but it helps.

Repeated use of antibiotics, for example, imposes a selection force.

Those members of a species that just happen to have genes that impart resistance to antibiotic have a selective advantage.

One way that we find out about natural selection is to see how humans change animals by selectively breeding them to increase the numbers of individuals that have certain traits.

For example, if a farmer keeps the calves from his cows that give the most milk, eventually his herd will have more high-producing cows in it.

For example, a contract for continued production of a certain military weapon may be rendered unnecessary by the abrupt conclusion of a war.

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