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Laboratory Measures of Filtration by Freshwater Mussels: An Activity to Introduce Biology Students to an Increasingly Threatened Group of Organisms
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Smith, Michael J.; Shaffer, Julie J.; Koupal, Keith D.; Hoback, W. Wyatt – Bioscene: Journal of College Biology Teaching, 2012
Many aquatic organisms survive by filter feeding from the surrounding water and capturing food particles. We developed a laboratory exercise that allows students to measure the effects of filtering by fresh water mussels on water turbidity. Mussels were acquired from Wards Scientific and exposed to a solution of baker's yeast. Over a period of one…
Descriptors: Biodiversity, Laboratories, Biology, College Students
Japanese Children's and Adults' Reasoning about the Consequences of Psychogenic Bodily Reactions
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Toyama, Noriko – Merrill-Palmer Quarterly: Journal of Developmental Psychology, 2011
Four experiments were conducted with Japanese children and adult participants to assess their awareness of the effectiveness of biological and psychological treatments for psychogenic bodily reactions. Study 1 had 116 participants, composed of 4-year-olds (17), 5-year-olds (20), 7-year-olds (24), 10-year-olds (20), and college students (35). The…
Descriptors: Program Effectiveness, Cultural Differences, Psychology, Children
Library Dedicated to Laboratory Instruction
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BioScience, 1978
Efforts to establish a library for laboratory instructional materials is being initiated by a group of concerned university educators. The main function of this library will be to collect descriptions of biological systems and supporting materials that are effective in laboratory instruction. Contributors are being solicited. (Author/MA)
Descriptors: Biology, Higher Education, Laboratory Equipment, Laboratory Experiments