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phylogeneticsspeciationThe spectacular diversity of the Cape flora has promoted wide speculation on the evolutionary processes behind its origins, but until recently these ideas could not be tested rigorously due to the almost complete absence of a fossil record for the region. Now, molecular ...
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According to the principles of phylogenetics, it is well recognized that an ancestor with all characters plesiomorphic is therefore by nature paraphyletic and could not be characterized or identified by even only one apomorphy (Nelson 1970; Engelmann and Wiley 1977). In addition, and from a ...
Molecular phylogenetics changed the course of taxonomic classification for eukaryotes. By comparing the similarities and differences in particular DNA sequences within organisms, scientists were able discern how closely related they were, according to a 2020 review in the journalTrends in Ecology & Evolut...
Figure 1. A molecular phylogeny of trichomonads. A cartoon depicting our current understanding of the relationships between different Parabasalia as determined by molecular phylogenetics, focusing on the trichomonads discussed in this article and their various hosts. Broken lines indicate discrepancies betw...
It is a sub-discipline of biology, which is the study of life. There are many practical applications of ecology in conservation biology, wetland management, natural resource management (agriculture, forestry, fisheries), city planning (urban ecology), community health, economics, basic & applied ...
A cladogram is one of severaltypes of tree diagramsused in phylogenetics. Other diagrams include phylograms and dendrograms. Some people use the names interchangeably, but biologists recognize distinct difference between the tree diagrams. Cladograms indicate common ancestry, but they do not indicate...
Since the 1990s, results coming in from molecular phylogenetics necessitate us to recognize that Horizontal Gene Transfer (HGT) occurs massively across all three domains of life. Nonetheless, many of the mechanisms whereby genes can become transferred laterally have been known from the early twentieth...
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