Using the Extend 'connect-the-components' visual programming, students can model and simulate ecosystems …
Using the Extend 'connect-the-components' visual programming, students can model and simulate ecosystems including social and economic forces as well as study parameter variations to develop an understanding of ecosystem function and productivity.By making 'what if...' changes in the model, the effects of various proposed decisions about the environment can then be shown.EDM includes three ecological systems: Ponds, Grasslands, and Logging. Students can predict results of changes in the models and explore relationships.First, you diagram a model of the system showing parts and connections among them. For example, components of the model, such as the sun, are placed on the computer screen. Each component is linked to the others with a mathematical relationship, such as the transfer of the sun's energy to plants.Values are entered into block dialog boxes to characterize the interactions of the components, such as the amount of sunlight at a particular location or the initial number of bluegill in a pond. When the simulation is run, you can see the growth curves of the various components of the system.
Genetics Construction Kit is a simulation of a classic Mendelian genetics laboratory. …
Genetics Construction Kit is a simulation of a classic Mendelian genetics laboratory. It provides students with a set of organisms with unknown patterns of inheritance, and gives them the tools to design and perform a series of experiments to discover these inheritance patterns.Students will be able to cross the unknown organisms and analyze their crosses in ways much like those used by practicing scientists.GCK provides several tools for analyzing and organizing data: * Vial Summary Chart summarizes the contents of a vial or set of vials * Cross Matrix records the crosses made so far and indexes the vials generated by these crosses * Chi Squared Worksheet allows students to test whether observed numbers differ significantly from the ratio expected under a given hypothesis.GCK comes with several predefined problems designed to present a different aspect of genetics or to illustrate a particular problem. In addition, by using the problem editing utility, it is possible to customize a problem to meet your specific needs.
With the Genetics Tool, you can: * Cross two organisms * Self-cross …
With the Genetics Tool, you can: * Cross two organisms * Self-cross one organism * Create mutant versions of one organismWith the Biochemistry Tool, you can: * Look at the structures and colors of the pigment proteins found in one organism * Design proteins and observe their shapes and colors * Compare the amino acid sequences of different pigment proteinsWith the Molecular Biology Tool, you can: * Look at the DNA, mRNA and protein sequences of pigment protein genes * Design genes and observe the colors of the resulting proteins by editing the top DNA strand * Compare the DNA sequences of different pigment protein genes * Create new organisms by specifying their DNA sequences
This activity is designed as an end-of-year project that incorporates skills such …
This activity is designed as an end-of-year project that incorporates skills such as Internet research and using Biology Workbench. Students should already have learned molecular biology and the basics of virology and immunology. After completeing this case, students will be able to analyze the effects of AIDS on a specific Ugandan community; identify questions or information concerning AIDS and HIV; research those questions about AIDS and HIV; relate HIV molecular data to the numbers of clones found in AIDS patients; compare and interpret the phylogenetic trees based on HIV DNA from pairs of patients; and discuss the implications of having many clones of HIV in each individual patient.
The Visual Datasets text module discusses the concept of visual learning and …
The Visual Datasets text module discusses the concept of visual learning and presents some suggestions for ways to design learning environments that support students in developing visual literacy skills. Three visual datasets that can be used for problem solving activities in evolution, classification, development, and botany are included:Caminacules: A dataset of imaginary animals that can be used as the basis for a variety of problem-posing and problem-solving activities in evolution, classification, development, and others. Originally generated by J. H. Camin and described by Robert Sokal in an article in the 1983 Journal of Systematic Zoology, 32 (2) 161-163. Dendrogrammaceae: A dataset of imaginary plants that can also be used for problem-posing and problem solving activities in evolution and classification. Warren H. Wagner (The University of Michigan)Oh Phlox!: Close-up images of late season garden phlox plants and selected leaves with leaf miner damage provide opportunities for visual learning practice for the field and for exploration with the use of NIH Image or other graphics packages in biological investigations. Ethel Stanley (Beloit College and Illinois State University)
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