Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"Polyphyletic Origin"”.
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Using Mitochondrial Cytochrome C Oxidase Subunit I Sequence To Resolve The Springsnail Species Complex: Pyrgulopsis Micrococcus
… suggesting the presence of multiple species of polyphyletic origin. At least five species were identified using mtCOI, and four populations were identified as at least evolutionary significant units.
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Radiation in the genus Amazilia: A comparative approach to understanding the diversification of hummingbirds.
… Two competing hypotheses for the evolutionary origin of hummingbirds with bill serrations, monophyletic or polyphyletic, were tested as well. My results show that hummingbirds with bill serrations are polyphyletic in origin. However, assuming a monophyletic origin for hummingbirds with bill …