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Keywords: parsimony
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Journal Articles
The American Biology Teacher (2018) 80 (2): 144–151.
Published: 01 February 2018
... Permissions web page, www.ucpress.edu/journals.php?p=reprints . 2018 comparative morphology dichotomous key parsimony phylogenetic trees synapomorphy tree thinking 18S small subunit ribosomal DNA Figure 1. A portion of the 18S alignment for a sample of tree species on campus. Major...
Journal Articles
The American Biology Teacher (2017) 79 (7): 544–551.
Published: 01 September 2017
... character matrix and cladogram of dragons followed by repetition of this process via conventional computer software allows the students to track their progress not only in terms of understanding such concepts as choice of character states and parsimony but also in terms of the applicability of said software...
Journal Articles
The American Biology Teacher (2016) 78 (5): 380–384.
Published: 01 May 2016
... tree common ancestor parsimony References Baum, D.A. , Smith, S.D. & Donovan, S.S.S. ( 2005 ). The tree-thinking challenge . Science , 310 , 979 – 980 . Baum, D.A. & Offner, S. ( 2008 ). Phylogenies & tree-thinking . American Biology Teacher , 70 , 222 – 229...
Journal Articles
The American Biology Teacher (2015) 77 (2): 141–144.
Published: 01 February 2015
..., determine polarity through outgroup comparison, and construct a parsimonious tree based on synapomorphies (shared derived characters). This activity efficiently demonstrates many systematics concepts, including homology, homoplasy (convergence and reversal), polarity, synapomorphy, symplesiomorphy...
Journal Articles
The American Biology Teacher (2014) 76 (2): 127–131.
Published: 01 February 2014
...Declan J. McCabe This exercise demonstrates the principle of parsimony in constructing cladograms. Although it is designed using mammalian cranial characters, the activity could be adapted for characters from any group of organisms. Students score categorical traits on skulls and record the data in...
Journal Articles
The American Biology Teacher (2010) 72 (2): 114–121.
Published: 01 February 2010
... Cn3D. © 2010 by National Association of Biology Teachers 2010 2 e-mail: wfrankli@brynmawr.edu . Evolution phylogenetic analysis student inquiry parsimony convergence References Baum D.A. Offner S. . ( 2008 ). Phylogenies & Tree...