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Showing 91 to 105 of 119 results Save | Export
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Haggerty, Hugh A. – American Biology Teacher, 1975
Describes a computer program used to simulate Drosophila breeding and reproduction. The format of the program involved is presented as a part of the article. (PEB)
Descriptors: Biology, Computer Programs, Computer Science, Genetics
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Diegelmann, Soeren; Zars, Melissa; Zars, Troy – Learning & Memory, 2006
Memories can have different strengths, largely dependent on the intensity of reinforcers encountered. The relationship between reinforcement and memory strength is evident in asymptotic memory curves, with the level of the asymptote related to the intensity of the reinforcer. Although this is likely a fundamental property of memory formation,…
Descriptors: Reinforcement, Models, Memory, Memorization
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Wollard, Laura; Klein, Benjamin; Carlson, Darby J.; Carlson, Kimberly A. – Bioscene: Journal of College Biology Teaching, 2006
A major challenge in teaching the process of science to students is designing and implementing laboratory activities that emulate what is actually done in a research laboratory. To facilitate this effort, science educators have been encouraged to design exercises that span multiple laboratory periods, encourage independent thinking, promote…
Descriptors: Majors (Students), Graduate Students, Research Projects, Distance Education
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Parker, Joel D.; Ziemba, Robert E.; Cahan, Sara Helms; Rissing, Steven W. – Biochemistry and Molecular Biology Education, 2004
This hypothesis-driven laboratory exercise teaches how DNA evidence can be used to investigate an organism's evolutionary history while providing practical modeling of the fundamental processes of gene transcription and translation. We used an inquiry-based approach to construct a laboratory around a nontrivial, open-ended evolutionary question…
Descriptors: Inquiry, Science Process Skills, Laboratory Experiments, Science Experiments
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Paranjpe, Pushkar; Rodrigues, Veronica; VijayRaghavan, K.; Ramaswami, Mani – Learning & Memory, 2012
In some situations, animals seem to ignore stimuli which in other contexts elicit a robust response. This attenuation in behavior, which enables animals to ignore a familiar, unreinforced stimulus, is called habituation. Despite the ubiquity of this phenomenon, it is generally poorly understood in terms of the underlying neural circuitry. Hungry…
Descriptors: Habituation, Inhibition, Entomology, Neurology
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Wallen, Ellen T. – American Biology Teacher, 1981
Describes a new apparatus for Drosophila habitats which has the advantage of leaving pupae and adult flies undisturbed while being able to renew or move the media and larvae at will. (CS)
Descriptors: Animal Facilities, Biology, College Science, Genetics
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Pratt, Carl R. – American Biology Teacher, 1994
Describes an experiment that uses the cobra lily (Darlingtonia californica) and fruit flies (Drosophila virilis) to investigate predator-prey relationships in a classroom laboratory. Suggestions for classroom extension of this experimental system are provided. (ZWH)
Descriptors: Ecology, Insects, Science Activities, Science Education
Olson, Steve – National Academies Press, 2004
As both individuals and societies, we are making decisions today that will have profound consequences for future generations. From preserving Earth's plants and animals to altering our use of fossil fuels, none of these decisions can be made wisely without a thorough understanding of life's history on our planet through biological evolution.…
Descriptors: Evolution, Science Instruction, Decision Making, Genetics
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Acevedo, Summer F.; Froudarakis, Emmanuil I.; Kanellopoulos, Alexandros; Skoulakis, Efthimios M. C. – Learning & Memory, 2007
Diminished responses to stimuli defined as habituation can serve as a gating mechanism for repetitive environmental cues with little predictive value and importance. We demonstrate that wild-type animals diminish their responses to electric shock stimuli with properties characteristic of short- and long-term habituation. We used spatially…
Descriptors: Habituation, Neurological Organization, Entomology
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Johnson, Ronald; Kennon, Tillman – Journal of College Science Teaching, 2009
Hypotheses of population genetics are derived and tested by students in the introductory genetics laboratory classroom as they explore the effects of biotic variables (physical traits of fruit flies) and abiotic variables (island size and distance) on fruit fly populations. In addition to this hypothesis-driven experiment, the development of…
Descriptors: Genetics, Introductory Courses, Science Instruction, College Science
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Mertens, Thomas R. – American Biology Teacher, 1983
Background information, laboratory procedures (including matings performed), and results are presented for an open-ended investigation using the fruitfly Drosophila melanogaster. Once data are collected, students develop hypotheses to explain results as well as devise additional experiments to test their hypotheses. Calculation of chi-square for…
Descriptors: Biology, Entomology, Genetics, High Schools
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Rubin, Gerald M. – Science, 1988
Discusses the role of the fruit fly in genetics research requiring a multidisciplinary approach. Describes embryological and genetic methods used in the experimental analysis of this organism. Outlines the use of Drosophila in the study of the development and function of the nervous system. (RT)
Descriptors: Biochemistry, Biology, College Science, Cytology
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School Science Review, 1977
Includes procedures for demonstrating anaerobic respiration in peas, isolating virgin Drosophila females, solving mortality problems in young gerbils, measuring dissolved oxygen, constructing models for transpiration and DNA molecules, freezing chick embryos, mixing nutrient media, illustrating Darwinian ecological principles, and detecting…
Descriptors: Biology, Botany, Higher Education, Instructional Materials
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Igelsrud, Don, Ed. – American Biology Teacher, 1988
This article presents a variety of topics discussed in this column and at a biology teachers' workshop concerning the quality and value of lab techniques used for teaching high school biology. Topics included are Drosophila salivary glands, sea urchins, innovations, dyes and networking. (CW)
Descriptors: Biological Sciences, Botany, College Science, Higher Education
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School Science Review, 1982
Describes laboratory procedures, demonstrations, and classroom activities/materials, including use of dwarf cichlids (fishes) in secondary school biology, teaching edge effects on stomatal diffusion, computer program on effects of selection on gene frequencies, biological oxidation/reduction reactions, short cuts with Drosophila, computer program…
Descriptors: Animals, Biology, Botany, College Science
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