Primary
Evidence for Evolution: Formation of New Species Primary
Other

Evidence for Evolution: Formation of New Species

For Students 9th - 10th
These pages are part of a site called Evolution that accompanies a textbook by the same name. Mark Ridley is the author. These pages offer an explanation of speciation using reproductive isolation and differences in phenotype.
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Primary
History Tools: Charles Darwin on the Origin of Species 1859 [Pdf] Primary
History Tools

History Tools: Charles Darwin on the Origin of Species 1859 [Pdf]

For Students 9th - 10th
Features excerpts from the introduction and conclusion of Charles Darwin's famous book, On the Origin of Species by Means of Natural Selection.
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