Skip Nav Destination
1-3 of 3
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...
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...
The American Biology Teacher (2014) 76 (2): 127–131.
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...