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natural-taxon

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Journal Articles
The American Biology Teacher (2018) 80 (7): 501–519.
Published: 01 September 2018
... components of taxon-based natural history courses. We find, however, that fewer than 2% of such courses have used any such tool. Consequently, the far majority of students receive no formal exposure to the 21st-century technologies and concepts that are transforming the data landscapes of the very fields the...
Journal Articles
The American Biology Teacher (2019) 81 (6): 417–422.
Published: 01 August 2019
...), specifically 45 phylogenetically diverse taxon pairings (spanning 18 genera) of congeneric pairs of woody plants. Each taxon of each pairing occurred in either the tropical rainforests or in the temperate zone. As in the preceding activity, students are asked to work in groups and record conclusions...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2019) 81 (4): 234–241.
Published: 01 April 2019
... level would be an overreach in this context, given students' lack of experience with systematics. Thus, while students try to identify many individuals to species, they ultimately use the family taxon as a proxy for “species” in their richness and diversity calculations. Data sharing with other groups...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2019) 81 (3): 169–174.
Published: 01 March 2019
... common name. Taxon Percent Abundance Carangidae 27.5%   Decapterus punctatus (round scad) 24.8%   Trachurus lathami (rough scad) 2.8% Gobiidae 0.5%   Microgobius carri (Seminole goby) 0.5% Labridae 11.9%   Halichoeres caudalis (painted wrasse) 4.6...
Journal Articles
The American Biology Teacher (2019) 81 (1): 40–46.
Published: 01 January 2019
.... Exploring Hoodia gordonii : from naturalist to pharmacist. Questions to Explore Relevant Sites What are the different kinds of this plant? Where can you find the plant? What are its genetics? Mid-Atlantic Herbaria Consortium: http://midatlanticherbaria.org/portal/taxa/index.php?taxon...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2018) 80 (8): 561–569.
Published: 01 October 2018
... of the respective species and used these to compare and contrast forewing and hindwing morphology in beetles and flies. After this discussion, we asked them to predict the phenotype they would expect in Ubx RNAi-treated beetles. Background . Insects, the most species-rich taxon known on this...
Journal Articles
The American Biology Teacher (2018) 80 (4): 278–284.
Published: 01 April 2018
... 1 1 0 1 0 0 1 0 Table 1. List of molluscan taxa to be used in the phylogenetics project along with GenBank accession numbers for access to cytochrome c oxidase I (CO1) sequence data corresponding to each taxon. * Taxa Molluscan Groups Accession Number...
Journal Articles
The American Biology Teacher (2018) 80 (2): 144–151.
Published: 01 February 2018
... addition, each taxon was scored for several morphological traits, including reproductive mode and fruit type. These traits were then mapped onto the master Tree of Trees using parsimony in Mesquite ( Maddison & Maddison, 2016 ) to demonstrate evolutionary patterns in the plant tree of life ( Figure 3...
Journal Articles
The American Biology Teacher (2017) 79 (9): 729–737.
Published: 01 November 2017
... did not evolve from alligators.”). Questions about taxa relatedness asked students to choose which of two taxa is more closely related to a reference taxon and provide reasoning. Answers were coded as correct or incorrect, and student reasoning was coded as correct, incorrect, or mixed using a...
Journal Articles
The American Biology Teacher (2017) 79 (8): 668–670.
Published: 01 October 2017
... prompts: ancestry, branch, character, clade, classification, node, phylogenetics, relationship, root, species, taxon, and tree. Each of our chosen prompt words represents a different aspect of the nature of phylogenetic trees: conceptual, organizational, and structural. The chosen prompt terms should...
Journal Articles
The American Biology Teacher (2017) 79 (7): 544–551.
Published: 01 September 2017
.... Character: Number of limbs . Character states: 0 – four limbs (tetrapod); 1 – six limbs (hexapod) . Having established that dragons are members of the taxon Craniata (Vertebrata), it is most parsimonious to assume that the tetrapod (four-limbed) condition is a plesiomorphy. The wyvern, which is our...
Journal Articles
The American Biology Teacher (2017) 79 (2): 81–90.
Published: 01 February 2017
... have been reading and interpreting evolutionary trees to aid in scientific understanding with students at various educational levels: two taught courses where preservice elementary school teachers learned to construct trees from taxon-character data; two worked on evolutionary tree thinking with...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2016) 78 (5): 380–384.
Published: 01 May 2016
... amounts of evolution along the branches, or time. This is because groups on cladograms are formed on the basis of shared, derived character states (features unique to a single taxon provide no evidence of grouping). Further attributes of cladograms are that all observed taxa appear at the tips of the...
Journal Articles
The American Biology Teacher (2016) 78 (3): 241–247.
Published: 01 March 2016
... exercise demonstrates the important educational and scientific issue that questions will not always have a single correct response, as students may think. Building biological knowledge. In essence, biological knowledge is the association of a taxon name and a biological pattern, such as “Birds have...
Journal Articles
The American Biology Teacher (2016) 78 (2): 141–148.
Published: 01 February 2016
... that is informative ( Table 1 ); if they are too specific, the characters they describe will be possessed by only one taxon (autapomorphies), whereas being too general will result in characters shared by all taxa (symplesiomorphies), neither of which is useful in determining the relationships among...
Journal Articles
The American Biology Teacher (2016) 78 (2): 93–98.
Published: 01 February 2016
... less confrontational approach to evolution and illustrates the unity of life through shared biological processes. These biological processes can be repeated in each taxon, solidifying the relative similarity of all life on Earth. At the same time, the diversity of life poses stumbling blocks to student...
Journal Articles
The American Biology Teacher (2015) 77 (8): 587–599.
Published: 01 October 2015
... which taxon is unacceptable, based on cladistics? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5 According to this phylogenetic tree, chordates are most closely related to _____. (A) Molluscs (B) Arthropods (C) Poriferans (D) Echinoderms (E) Platyhelminthes...
Journal Articles
The American Biology Teacher (2015) 77 (5): 323–331.
Published: 01 May 2015
... centipedes and millipedes into one taxon each. Harvestmen, grasshoppers, and crickets are overrepresented because two teams were selectively collecting and sampling these two groups for their own inquiry-based research objectives. Flies are also somewhat overrepresented because one team was collecting...
Journal Articles
The American Biology Teacher (2015) 77 (2): 108–112.
Published: 01 February 2015
.... Interestingly, however, the IUCN (International Union for the Conservation of Nature) Red List states that “Further research is needed to investigate whether this taxon contains more than one species” ( Lynam et al., 2013 ). The possibility of another as-yet-unrecognized species of tapir being present is...
Journal Articles
The American Biology Teacher (2015) 77 (2): 99–106.
Published: 01 February 2015
... journal articles published in the 21st century. N = no function listed by author(s). U = useless structure according to author(s). Taxon Structure Structure’s Function in Unreduced State Structure’s Function in Vestigial State Reference(s) Unicellular Organisms Amoebozoa...