Englishman Charles Darwin was the first to publish a comprehensive theory of evolution by means of natural selection, but German-born Ernst Haeckel was quick to realize the validity of the theory after he read "On the Origin of Species" in 1859.
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Question 2 of 11
"We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act."
Darwin
Haeckel
Gregor Mendel
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Darwin's revolutionary theory met with strong opposition at first, even in the scientific community.
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Question 3 of 11
"I established the opposite view, that this history of the embryo must be completed by a second, equally valuable, and closely connected branch of thought -- the history of race."
Darwin
Haeckel
Adolf Hitler
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Haeckel said this one. Yes, the Nazis latched onto ideas like this.
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Question 4 of 11
"Politics is applied biology."
Darwin
Haeckel
Sigmund Freud
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Nazi propagandists were fond of this Haeckel quote, too.
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Question 5 of 11
"All the ills from which America suffers can be traced to the teaching of evolution."
Darwin
Haeckel
William Jennings Bryan
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Bryan successfully prosecuted Tennessee schoolteacher John Scopes for teaching evolution in 1925.
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Question 6 of 11
"It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change."
Darwin
Haeckel
Francis Crick
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Darwin developed this explanation of why the world's creatures are so diverse.
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Question 7 of 11
"While the rest of the species is descended from apes, redheads are descended from cats."
Darwin
Haeckel
Mark Twain
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The irrascible Twain -- a redhead himself -- had opinions on all issues of the time, including Darwin's theory.
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Question 8 of 11
"I cannot persuade myself that a beneficent and omnipotent God would have designedly created the Ichneumonidae [parasitic wasps] with the express intention of their feeding within the living bodies of caterpillars…"
Darwin
Haeckel
Gregor Mendel
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Later in life, after digesting the implications of his findings, Darwin discounted any suggestion of intelligent design by a Creator and called himself an agnostic.
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Question 9 of 11
"Man, with all his noble qualities...still bears in his bodily frame the indelible stamp of his lowly origin."
Darwin
Haeckel
Richard Dawkins
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In this quote, Charles Darwin acknowledged the paradox of humankind's seemingly special place in the world with the obviousness of our animal nature.
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Question 10 of 11
"By leaving the process of procreation unchecked and by submitting the individual to the hardest preparatory tests in life, Nature selects the best from an abundance of single elements and stamps them as fit to live and carry on the conservation of the species."
Darwin
Haeckel
Adolf Hitler
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This passage from Mein Kampf illustrated how Adolf Hitler would try to construe the theory of natural selection to fit his social agenda.
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Question 11 of 11
"Ontogeny recapitulates phylogeny."
Darwin
Haeckel
Thomas Henry Huxley
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This now-discredited statement from Ernst Haeckel means that when we observe the development of an embryo, we can see all the stages that organism has evolved through.
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