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Obviously, I'm suffering from lack of sleep, but it truly is a blessing to be a mother.

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Ernst Mayr

Given the fact of evolution, one would expect the fossils to document a gradual steady change from ancestral forms to the descendants. But this is not what the paleontologist finds. Instead, he or she finds gaps in just about every phyletic series.

Document, Facts, Fossils, Gaps, Paleontologist, Steady
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Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection.

Certain, Darwin, Evolution, Process, Processes, Variation

Evolution. . . is opportunistic, hence unpredictable.

Atheism, Evolution, Hence, Opportunistic, Religion

It is curious how often erroneous theories have had a beneficial effect for particular branches of science.

Science, Curiosity, Branches, Theories, Particular

New gene pools are generated in every generation, and evolution takes place because the successful individuals produced by these gene pools give rise to the next generation.

Evolution, Giving, Glowing, Place, Produced, Successful

It seems to me that for Darwin the pulsing of evolutionary rates was a strictly vertical phenomenon.

Rate, Phenomenon, Seems, Strictly, Evolutionary
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