Lesson plan
Split (phylogenetics)
phylogenetic network shows a clear split support (visualised by long parallel edges) for Acochlidiacea (in red color). The graph is based on datasets by Jörger et al. (2010) and generated by SplitsTree. A split in phylogenetics is a bipartition of a set of taxa, and the smallest unit of information in unrooted phylogenetic trees: each edge of an unrooted phylogenetic tree represents one split, and the tree can be efficiently reconstructed from its set of splits. Moreover, when given several trees, the splits occurring in more than half of these trees give rise to a consensus tree, and the splits occurring in a smaller fraction of the trees generally give rise to a consensus split network. Pairs of splits are compatible if any of the subsets defined by each split do not overlap.
Article summary
phylogenetic network shows a clear split support (visualised by long parallel edges) for Acochlidiacea (in red color). The graph is based on datasets by Jörger et al. (2010) and generated by SplitsTree. A split in phylogenetics is a bipartition of a set of taxa, and the smallest unit of information in unrooted phylogenetic trees: each edge of an unrooted phylogenetic tree represents one split, and the tree can be efficiently reconstructed from its set of splits. Moreover, when given several trees, the splits occurring in more than half of these trees give rise to a consensus tree, and the splits occurring in a smaller fraction of the trees generally give rise to a consensus split network. Pairs of splits are compatible if any of the subsets defined by each split do not overlap.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.