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Exam 22: The Origin of Species

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Exam 1: The Science of Biology67 Questionsadd course
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Exam 3: The Chemical Building Blocks of Life70 Questionsadd course
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Exam 30: Overview of Green Plants75 Questionsadd course
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Exam 46: The Endocrine System86 Questionsadd course
Exam 47: The Musculoskeletal System54 Questionsadd course
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Exam 59: The Biosphere79 Questionsadd course
Exam 60: Conservation Biology62 Questionsadd course
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Several new tetraploid species of plant known as the salsifies have arisen in western North America from diploid species by allopolyploidy.This mode of speciation is known as ________ and it occurs ________.

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