- Describing a group of organisms that contains the descendants of two or more different ancestors, while excluding other descendants of a single ultimate common ancestor.www.oxfordreference.com/display/10.1093/oi/authority.20110810105631261
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The term polyphyly, or polyphyletic, derives from the two Ancient Greek words πολύς (polús) 'many, a lot of', and φῦλον (phûlon) 'genus, species', and refers to the fact that a polyphyletic group includes organisms (e.g., genera, species) arising from multiple ancestral sources. Conversely, the term … Meer weergeven
A polyphyletic group is an assemblage that includes organisms with mixed evolutionary origin but does not include their most … Meer weergeven
Species have a special status in systematics as being an observable feature of nature itself and as the basic unit of … Meer weergeven
• Tudge, Colin (2000). The Variety of Life. Oxford University Press. ISBN 0-19-860426-2.
• "Evolution - A-Z - Polyphyletic group". www.blackwellpublishing.com. … Meer weergevenIn many schools of taxonomy, the recognition of polyphyletic groups in a classification is discouraged. Monophyletic groups (that is, clades) are considered by these … Meer weergeven
• Funk, D. J., and Omland, K. E. (2003). "Species-level paraphyly and polyphyly: Frequency, cause and consequences, with insights from animal mitochondrial DNA" Annu. Rev. … Meer weergeven
Wikipedia-tekst onder CC-BY-SA-licensie Algae - Wikipedia
WEBAlgae constitute a polyphyletic group since they do not include a common ancestor, and although their plastids seem to have a single origin, from cyanobacteria, they were acquired in different ways. Green algae are …
Polyphyly - Simple English Wikipedia, the free encyclopedia
WEBPolyphyly is a term in cladistics. [1] It describes a group of organisms whose last common ancestor is not a member of the group. Another way of expressing this is to say that …
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Polyphyletic - Oxford Reference
WEB5 dagen geleden · Polyphyletic is a term used in biology to describe a group of organisms that share some traits but have different ancestors. Learn how …
Polyphyly - Oxford Reference
WEB6 dagen geleden · Polyphyly is the occurrence of members of a taxon that have different ancestral origins. Learn how polyphyly differs from errors of classification and …
Deep phylogeny, ancestral groups and the four ages of …
WEB12 jan. 2010 · In marked evolutionary contrast to the polyphyletic fungoids, the shared common features of an ancestral (paraphyletic) group like Protozoa evolved once only and were inherited continuously from a …
Polyphyletic | Encyclopedia.com
WEB17 mei 2018 · Polyphyletic means a group of organisms that has multiple ancestors, not a single one. Learn how this term is used in biology and ecology, and see contrast …
polyphyletic - Understanding Evolution
WEBpolyphyletic. Term used to describe to a group of organisms that does not include the most recent common ancestor of those organisms.
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