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polytomy

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Journal Articles
The American Biology Teacher. 2015; 772141–144 doi: https://doi.org/10.1525/abt.2015.77.2.10
Published: 01 February 2015
..., autapomorphy, polytomy, and parsimony. It also engages students in inquiry, promotes student collaboration, raises awareness of plant structure, and exposes students to the diversity of common local trees. Figure 1. Phylogeny of five woody plants native to eastern North America, resulting from the...
Journal Articles
The American Biology Teacher. 2017; 797544–551 doi: https://doi.org/10.1525/abt.2017.79.7.544
Published: 01 September 2017
... and chromatic dragons. It is interesting to note that among chromatic dragons, only the white dragons have none. References Braun, E. L. , & Kimball, R. T. ( 2001 ). Polytomies, the power of phylogenetic inference, and the stochastic nature of molecular evolution: A comment on Walsh...
Journal Articles
The American Biology Teacher. 2014; 762127–131 doi: https://doi.org/10.1525/abt.2014.76.2.10
Published: 01 February 2014
... . 2014 Phylogeny morphology parsimony clade cladistics polytomy synapomorphy Occam’s razor homoplasy homology node terminal node branch transition root natural taxon sister group out group References Elbroch, M. (2006). Animal Skulls: A Guide to North American Species...
Journal Articles
The American Biology Teacher. 2008; 704222–229 doi: https://doi.org/10.2307/30163248
Published: 01 April 2008
... branch's length is drawn proportional to the inferred amount of change on that branch plesiomorphy - an ancestral character state (e.g., limb presence is plesiomorphic in reptiles) polyphyly - a variant of non-monophyly polytomy - a node on a phylogenetic tree that depicts an ancestral lineage dividing...