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38 Cards in this Set
- Front
- Back
Nov. 24th 1859
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Publication of "On the Origin of Species by Means of Natural Selection."
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A process in which organisms with certain inherited traits are more likely to survive and reproduce.
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Natural selection
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A group of individuals of the same species living in the same place at the same time.
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population
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A populations increase in the frequency of traits suited to the environment is called...
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evolutionary adaption.
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Natural selection leads to...
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evolutionary adaption.
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The change in genetic composition of a population over time is called...
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evolution!
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Aristotle generally held that species are...
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fixed.
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French naturalist George Buffon proposed that certain fossil forms might be ancient variations of...
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similar living species.
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French naturalist Jean Baptiste de Lamarck suggested that the similarity between fossils and current organisms is that life...
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evolves
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Lamarck explained evolution as a refinement of...
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traits.
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Lamarck proposed that acquired traits are...
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inherited.
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Charles Darwin was born in...
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1809
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Darwin set sail on the HMS Beagle in December..
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1831
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Each living species descended from a succession of...
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ancestral species.
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Natural selection is the mechanism for...
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descent with modification.
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descent with modification =
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evolution
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The ordered sequence of fossils as they appear in rock layers is called the...
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fossil record.
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The fossil record reveals the appearance of organisms in a...
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historical record.
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The oldest known fossils date from about...
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3.5 billion years ago.
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The oldest known fossils are ...
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prokaryotes.
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The geographic distribution of species is called...
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biogeography.
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The comparison of body structures in different species is called...
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comparative anatomy.
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Certain anatomical similarities between species are signs of a...
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evolutionary history.
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Similarity in structure due to common ancestry is called...
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homology.
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Remnants of features that served important functions in the organisms ancestors are called...
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vestigial structures.
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Comparing early stages of development in different animal species reveals different ... not visible in adult organisms.
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homologies
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The heredity background of an organism is documented in its...
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DNA.
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All species tend to produce excessive numbers of...
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offspring.
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The production of more individuals than the environment can support leads to a struggle for...
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existence.
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There is variation among individuals of a...
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population.
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Individuals that function the best should leave the most surviving...
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offspring.
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Unequal success in reproduction leads to an accumulation of...
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favored traits in the population over generations.
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Natural selection produces...
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evolutionary adaptations.
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Individuals do not...
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evolve.
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Natural selection can amplify or diminish only...
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heritable traits.
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Evolution is not...
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goal directed.
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In Darwin's view, the history of life is analogous to a...
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tree.
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Biologists represent patterns of descent with an...
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evolutionary tree.
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