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Results 1 - 10 of 251 matches

Evolution of Whales
Mitchell Colgan, College of Charleston
The students read two articles on the evolution of whales and search the web. The students' writing assignment requires them to outline the evolution of whales using major fossil finds. Students start with ...

Protein Evolution
Scott Cooper, UW-La Crosse
In this activity students explore the evolution of proteins by comparing 2D and 3D alignments of orthologs and paralogs.

Evolution in Your "Pet" Group
Peg Yacobucci, Bowling Green State University-Main Campus
This writing exercise asks students to use library resources to locate a peer-reviewed journal article that describes research on the evolution of their individual "pet" taxonomic group. After reading the ...

Landscape Evolution Debate
Amanda Schmidt, Oberlin College
Students are assigned to read one of the three papers on tectonic geomorphology (landscape evolution) published by Nature in 2003 (Burbank et al., Dadson et al., and Reiners et al.). All also read the editorial by ...

Evolution, Natural Selection and Speciation
Scott Cooper, UW-La Crosse
In this out of class tutorial, students explore several examples of natural selection and speciation.

Mechanisms of Evolution
Rene Shroat-Lewis, University of Arkansas at Little Rock
This exercise uses simple experiments to examine the process of natural selection, which is driven by variation in genetic traits within a population, the potential for offspring to inherit traits from their ...

Teaching geologic time and rates of landscape evolution with dice
Kate Ruhl, Massachusetts Institute of Technology
Landscape evolution provides a convenient framework for understanding geologic time and rates because students can observe how processes like erosion and deposition shape their surroundings. In this example, students build 3-D sandbox models based on topographic maps and design and stage a "virtual adventure race." Sandbox landscapes are used to illustrate erosional processes,while local examples are used to discuss landscapes as transient or steady over different time- and length scales. Dice experiments illustrate radioactive decay and the shape of the age equation curve, and 14C dating, geochronology and thermochronology are introduced as "stopwatches" that start when a plant dies, a crystal forms, or a rock nears the surface and cools to a certain temperature. The sandbox model and thermochronometer "stopwatches" are combined to measure erosion rates and rates of landscape change. Ultimately, model rates (cm/hour) calculated from stopwatch times on the order of seconds can be related to geologic rates (km/My) calculated from real million-year-old samples.

The Evolution of Earth through Time
Phil Stokes, The University of Arizona
This activity is designed for large freshman courses (>200 students) and is used in-class. The activity requires a short (15 minute) overview of Earth history before students have the opportunity to work through ...

Evolution of Normal Fault Systems During Progressive Deformation
Bob Burger, Smith College
This activity is based on QuickTime movies and color digital photographs derived from sandbox experiments that produce normal faults in a variety of boundary conditions following experiments developed by Ken ...

Reconstructing the Evolution of Cauliflower and Broccoli
Sarah Deel, Carleton College; Susan Singer, Carleton College; Debby Walser-Kuntz
This laboratory exercise focuses on the connections between plant genetics and morphology.

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