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Raven, Sara; Cevik, Emel; Model, Michael – American Biology Teacher, 2020
Although research and new technologies have introduced different ways of observing microorganisms, including scanning and electron microscopy, these methods are expensive and require equipment that is typically not found in a middle school classroom. The transmission-through-dye technique (TTD; Gregg et al., 2010), a new optical microscopy method…
Descriptors: Science Instruction, Teaching Methods, Biology, Middle School Students
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Babaian, Caryn; Kumar, Sudhir – American Biology Teacher, 2019
A lesson plan on the phylum Tardigrada is presented in a storytelling workbook that introduces the evolutionary concepts of adaptive radiation, speciation, divergence, and "tree-thinking" through narrative, transitional art, contemplative coloring, and data searches, which can be enhanced with microscopy wet labs. Students gain insight…
Descriptors: Evolution, Story Telling, Lesson Plans, Databases
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Briju, Betsy J.; Wyatt, Sarah E. – American Biology Teacher, 2015
Instructors often present Mendelian genetics and molecular biology separately. As a result, students often fail to connect the two topics in a tangible manner. We have adopted a simple experiment to help link these two important topics in a basic biology course, using red and white onions bought from a local grocery store. A lack of red coloration…
Descriptors: Genetics, Molecular Biology, Science Laboratories, Science Experiments
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Kiss, Helen G.; Kiss, John Z. – American Biology Teacher, 2005
Contrary to popular belief, plants are very much in tune and in time with their immediate environment. The most important environmental cues for plants are light and gravity. In this article, the authors discuss the effects of light on plant development and use the spores of the sensitive fern (Onoclea sensibilis) in laboratory exercises to…
Descriptors: Cues, Biology, Plants (Botany), Science Instruction