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Course Hero. "On the Origin of Species Study Guide." Course Hero. 18 Jan. 2018. Web. 23 June 2018. <https://www.coursehero.com/lit/On-the-Origin-of-Species/>.

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Course Hero. (2018, January 18). On the Origin of Species Study Guide. In Course Hero. Retrieved June 23, 2018, from https://www.coursehero.com/lit/On-the-Origin-of-Species/

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Course Hero. "On the Origin of Species Study Guide." January 18, 2018. Accessed June 23, 2018. https://www.coursehero.com/lit/On-the-Origin-of-Species/.

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Course Hero, "On the Origin of Species Study Guide," January 18, 2018, accessed June 23, 2018, https://www.coursehero.com/lit/On-the-Origin-of-Species/.

On the Origin of Species | Glossary

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analogous structures: (n) structures similar in form due to their function, rather than to any genetic similarity

catastrophism: (n) the theory geological formations are formed by a series of catastrophic events, rather than by a series of long-term processes on a smaller scale

dimorphism: (n) the existence of two forms of a species

domestication: (n) changes in animal or plant species induced by human action, either purposefully or non-purposefully, to the advantage of humankind

homologous structures: (n) structures similar in form due to a genetic relationship between two organisms

hybrid: (n) the offspring of the union of two species

monophyletic: (adj) descended from a single common ancestor

monstrosities: (n) variation between species of the same genera, and especially between the domestic and non-domestic varieties

phylogeny: (n) a branch diagram that organizes organisms based on ancestral descent

uniformitarianism: (n) the concept geological formations are the result of slow, steady changes over time

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