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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
... for permission to photocopy or reproduce article content through the University of California Press's Reprints and Permissions web page, www.ucpress.edu/journals.php?p=reprints . 2018 comparative morphology dichotomous key parsimony phylogenetic trees synapomorphy tree thinking 18S small subunit...
Journal Articles
The American Biology Teacher (2017) 79 (7): 544–551.
Published: 01 September 2017
... 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
... the University of California Press's Reprints and Permissions web page, www.ucpress.edu/journals.php?p=reprints . 2016 Tree-thinking cladogram phylogenetic tree common ancestor parsimony Two recent “Inquiry & Investigation” articles by Davenport et al. (2015a , b ) contain statements...
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...
Journal Articles
The American Biology Teacher (2010) 72 (2): 114–121.
Published: 01 February 2010
... steps in phylogenetic analysis are (1) determining homology, (2) determining ancestral versus derived characteristics (i.e., character polarity), and (3) using parsimony as a criterion for judging between alternative trees. (Parsimony is addressed at the beginning of activity 3.) Homology...