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Seel, D. C. – Journal of Biological Education, 1984
To contribute usefully to a lecture, slides containing tabulated or diagrammatic textual information need to be simple and legible. Such slides can be made by following a few straightforward rules and techniques. Several of these rules and techniques are provided. (JN)
Descriptors: Biology, College Science, Higher Education, Material Development
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Newman, S. M. – Journal of Biological Education, 1984
Describes the construction, design, and operation of an inexpensive, precision, multiple seed planter. (JN)
Descriptors: Biology, Botany, College Science, High Schools
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Murphy, P. J. – Journal of Biological Education, 1984
The educational design of a project option in an Open University course on evolution is described. Also described is the simulation which models the genetic and evolutionary consequences of two populations of a species of flowering plant coming together after a period of genetic isolation. (Author/JN)
Descriptors: Biology, Botany, College Science, Computer Assisted Instruction
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Scadding, Steven R. – Journal of Biological Education, 1984
A simple method of studying thyroxine-induced resorption of tadpole tails in vitro is described. This procedure demonstrates that resorption is dependent on thyroxine and requires protein synthesis. It introduces students to the use of tissue culture methods. (Author)
Descriptors: Biology, College Science, Culturing Techniques, Cytology
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Brown, Valerie K. – Journal of Biological Education, 1984
Discusses the use of leaf mines (formed by larvae of small moths or flies) and galls (wasps' larvae) in various insect population studies. Also considers the advantages of using these structures for instructional purposes. (DH)
Descriptors: Biology, College Science, Ecology, Entomology
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Kidd, N. A. C. – Journal of Biological Education, 1984
Describes an interactive simulation model which can be used to demonstrate population growth with discrete or overlapping populations and the effects of random, constant, or density-dependent mortality. The program listing (for Commodore PET 4032 microcomputer) is included. (Author/DH)
Descriptors: Biology, College Science, Computer Simulation, Computer Software
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Putman, R. J. – Journal of Biological Education, 1984
Describes a series of short-term modular experiments which focus on community structure (standing crop biomass) and function (system energy flow). One exercise examines decomposers while another shows energy use by individuals. Equipment needed, procedures used, and results obtained are included. (Author/DH)
Descriptors: Biology, College Science, Ecology, Higher Education
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Boyes, Edward; Stanisstreet, Martin – Journal of Biological Education, 1991
Questionnaire results indicate that, although first-year, undergraduate science students (n=109) recognize the correct sources of energy for organisms, they simultaneously hold misconceptions about other essential, but nonenergy-supplying, conditions as sources of energy supply. Occurrence rates for these misconceptions vary with the students'…
Descriptors: Ability Grouping, Biology, Cognitive Development, Higher Education
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Gipps, John – Journal of Biological Education, 1991
Proposes the use of a series of 11 casts of fossil skulls as a method of teaching about the theory of human evolution. Students explore the questions of which skulls are "human" and which came first in Homo Sapien development, large brain or upright stance. (MDH)
Descriptors: Anatomy, Biology, Evolution, Higher Education
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Telford, S. R.; Dangerfield, J. M. – Journal of Biological Education, 1990
Activities that consider the courtship behavior and mating patterns of millipedes are presented. The functional significance of a behavior that has evolved through indirect competition between males is discussed. The procedures for seven experiments, results, and interpretations are included. (KR)
Descriptors: Animal Behavior, Biology, College Science, Entomology
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Paton, Ray – Journal of Biological Education, 1990
Two properties of a wing, namely aspect ratio and wing loading, are described and the matrix approach is used to make certain deductions about particular wing plans. Some examples are provided which show how the matrix transformation of one wing plan into another brings about predictable changes in wing properties. (KR)
Descriptors: Algebra, Aviation Technology, Biology, Birds
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Webb, Paul; Boltt, Gill – Journal of Biological Education, 1990
Investigated is the ability of high school pupils and university students to answer questions based on relationships within food webs using sound ecological principles. Research methods used and the results of this study are discussed. (CW)
Descriptors: Biology, Cognitive Structures, College Science, Ecology
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Salt, Bernard – Journal of Biological Education, 1990
Background information on the methods and varieties used to demonstrate the cultivation of plants without the use of chemical pesticides is provided. Discussed are species and variety selection, growing plants from seed and from seedlings, soil preparation, using cuttings, useful crops, and pest control. (CW)
Descriptors: Agronomy, Botany, College Science, Culturing Techniques
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Stewart, Jim; Maclin, Rich – Journal of Biological Education, 1990
Two representations useful in teaching transmission genetics are described. Details of the representations and problem solving using these instructional aids are discussed. The importance of developing representations which help remedy specific difficulties that students commonly encounter is stressed. (CW)
Descriptors: College Science, Genetics, Higher Education, Instructional Materials
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Stewart, Peter R. – Journal of Biological Education, 1990
Described is an activity in which the interactions between a parasite and its host may be demonstrated using the relationship between yogurt and two species of bacteria. Background information on Koch's postulates is provided. Materials, laboratory procedures, and results are discussed. (CW)
Descriptors: Biological Sciences, College Science, Culturing Techniques, Ecology
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