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10 questions from this quiz
A French naturalist (late 1700s-early 1800s)
Species were not fixed & could evolve
Living species differ from fossil records
They become larger & stronger next gen
Traits gained in life pass to offspring
Giraffes stretched necks; passed it on
Acquired characteristics can't be inherited
Physical changes don't alter genetic code
Challenged belief species were fixed
Individual effort vs natural selection
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