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Keywords: speciation
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Journal Articles
The American Biology Teacher (2019) 81 (8): 543–552.
Published: 01 October 2019
...Caryn Babaian; Sudhir Kumar A lesson plan on the phylum Tardigrada is presented in a storytelling workbook that introduces the evolutionary concepts of adaptive radiation, speciation, divergence, and “tree-thinking” through narrative, transitional art, contemplative coloring, and data searches...
Abstract
A lesson plan on the phylum Tardigrada is presented in a storytelling workbook that introduces the evolutionary concepts of adaptive radiation, speciation, divergence, and “tree-thinking” through narrative, transitional art, contemplative coloring, and data searches, which can be enhanced with microscopy wet labs. Students gain insight into the invertebrate world of the highly adaptable, ubiquitous microorganisms known colloquially as “water bears,” generating a microevolutionary and macroevolutionary perspective through a narrative that includes an introduction to the TimeTree database.
Journal Articles
The American Biology Teacher (2015) 77 (2): 145–147.
Published: 01 February 2015
...Lyn L. Countryman; Jill D. Maroo Considerable anecdotal evidence indicates that some of the most difficult concepts that both high school and undergraduate elementary-education students struggle with are those surrounding evolutionary principles, especially speciation. It’s no wonder that entry...
Abstract
Considerable anecdotal evidence indicates that some of the most difficult concepts that both high school and undergraduate elementary-education students struggle with are those surrounding evolutionary principles, especially speciation. It’s no wonder that entry-level biology students are confused, when biologists have multiple definitions of “species.” We developed this speciation activity to provide clarity and allow students a hands-on experience with a speciation model.
Journal Articles
The American Biology Teacher (2014) 76 (2): 132–136.
Published: 01 February 2014
... advanced thinking on mutation and speciation. A final paper requires students to synthesize their learning by summarizing selected papers on these topics. A grading rubric for the papers is included. Table 1. Example of the first table that students produce during the laboratory exercises. Students...
Abstract
Evolutionary theory is the foundation of the biological sciences, yet conveying it to General Biology students often presents a challenge, especially at larger institutions where student numbers in foundation courses can exceed several hundred per lecture section. We present a pedagogically sound exercise that utilizes a series of simple and inexpensive simulations to convey the concept of evolution through mutation and natural selection. Questions after each simulation expand student comprehension; a class discussion encourages advanced thinking on mutation and speciation. A final paper requires students to synthesize their learning by summarizing selected papers on these topics. A grading rubric for the papers is included.
Journal Articles
The American Biology Teacher (2013) 75 (9): 670–676.
Published: 01 November 2013
...://www.ucpressjournals.com/reprintinfo.asp . 2013 Speciation MC1R G-protein-coupled receptor References Carroll, S.B. (2006). The Making of the Fittest: DNA and the Ultimate Forensic Record of Evolution . New York, NY: W.W. Norton. de Duve, C. (1984). A Guided Tour of the Living Cell, Vol. 2 . New York...
Abstract
A point mutation in the MC1R gene, a G-protein-coupled receptor, has been found that could have led to the formation of two subspecies of Solomon Island flycatcher from a single ancestral population. I discuss the many roles that G-protein-coupled receptors play in vertebrate physiology and how one particular point mutation can have enormous evolutionary consequences.