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Price, Rebecca M. – American Biology Teacher, 2013
To learn why natural selection acts only on existing variation, students categorize processes as either creative or sorting. This activity helps students confront the misconception that adaptations evolve because species need them.
Descriptors: Science Instruction, Teaching Methods, Scientific Concepts, Misconceptions
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Stansfield, William D. – American Biology Teacher, 2013
Students should not graduate from high school without understanding that scientific debates are essential components of scientific methodology. This article presents a brief history of ongoing debates regarding the hypothesis that group selection is an evolutionary mechanism, and it serves as an example of the role that debates play in correcting…
Descriptors: Evolution, Scientific Methodology, Science Instruction, Science and Society
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Balgopal, Meena; Wallace, Alison – American Biology Teacher, 2013
Writing-to-learn (WTL) is an effective instructional and learning strategy that centers on the process of organizing and articulating ideas, as opposed to writing-to-communicate, which centers on the finished written product. We describe a WTL model that we have developed and tested with various student groups over several years. With effective…
Descriptors: Biology, Learning Strategies, Science and Society, Discussion (Teaching Technique)
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Hudon, Daniel; Finnerty, John R. – American Biology Teacher, 2013
A hypothesis-driven laboratory is described that introduces students to the complexities of ecosystem function. Students work with live algae, brine shrimp, and sea anemones to test hypotheses regarding the trophic interactions among species, the exchange of nutrients and gases, and the optimal ratio of producers to consumers and predators in…
Descriptors: Ecology, Biology, Science Activities, Science Instruction
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Cisterna, Dante; Williams, Michelle; Merritt, Joi – American Biology Teacher, 2013
This study explores upper-elementary and early-middle-school students' ideas about cells and inheritance and describes patterns of understanding for these topics. Data came from students' responses to embedded assessments included in a technology-enhanced curriculum designed to help students learn about cells and heredity. Our findings suggest…
Descriptors: Scientific Concepts, Heredity, Teaching Methods, Educational Technology
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LaBonte, Michelle L. – American Biology Teacher, 2013
The process of protein translation and translocation into the endoplasmic reticulum (ER) can often be challenging for introductory college biology students to visualize. To help them understand how proteins become oriented in the ER membrane, I developed a hands-on activity in which students use Play-Doh to simulate the process of protein…
Descriptors: Teaching Methods, Biology, Science Instruction, Scientific Concepts
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Schlueter, Mark A.; D'Costa, Allison R. – American Biology Teacher, 2013
Guided-inquiry lab activities with bean beetles ("Callosobruchus maculatus") teach students how to develop hypotheses, design experiments, identify experimental variables, collect and interpret data, and formulate conclusions. These activities provide students with real hands-on experiences and skills that reinforce their understanding of the…
Descriptors: Teaching Methods, Biology, Research Design, Scientific Methodology
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Ruane, Lauren G.; Ruane, Daniel M. – American Biology Teacher, 2013
The goal of this interdisciplinary activity is to encourage students to think critically about the ethical, environmental, and human health consequences of producing and consuming processed foods.
Descriptors: Interdisciplinary Approach, Food, Science Instruction, Environmental Education
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Cruz, Ronald Allan L. – American Biology Teacher, 2013
Creatures from science fiction and fantasy can be used to illustrate key concepts and principles in biology. This article describes a project for a university-level general zoology course wherein the students classify, down to at least the phylum level, "animals" from the Alien Species Wiki (2013). This is an online database of creatures from…
Descriptors: Biology, Educational Technology, Computer Uses in Education, Fantasy
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Street, Garrett M.; Laubach, Timothy A. – American Biology Teacher, 2013
We provide a 5E structured-inquiry lesson so that students can learn more of the mathematics behind the logistic model of population biology. By using models and mathematics, students understand how population dynamics can be influenced by relatively simple changes in the environment.
Descriptors: Biology, Population Growth, Science Instruction, Computer Simulation
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Small, Christine J.; Newtoff, Kiersten N. – American Biology Teacher, 2013
Undergraduate biology education is undergoing dramatic changes, emphasizing student training in the "tools and practices" of science, particularly quantitative and problem-solving skills. We redesigned a freshman ecology lab to emphasize the importance of scientific inquiry and quantitative reasoning in biology. This multi-week investigation uses…
Descriptors: Ecology, Biology, Hypothesis Testing, Science Instruction
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Grillo, Kelly J.; Dieker, Lisa A. – American Biology Teacher, 2013
An essential element of science instruction is content literacy. In order to improve literacy specific to science, vocabulary must be addressed. As Jitendra et al. (2004) pointed out, "because learning vocabulary during independent reading is very inefficient for students with reading difficulties, vocabulary and word learning skills must be…
Descriptors: Learning Disabilities, Biology, Reading Difficulties, Vocabulary
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Metzger, Kelsey – American Biology Teacher, 2013
To create rich learning experiences, it is important to engage students from the very beginning of a course and lay the foundation for constructing a community of active learners. The activities described here using "organism cards" connect students' previous knowledge to course goals and address key themes in biology while initiating…
Descriptors: Active Learning, Teaching Methods, Biology, Learning Strategies
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Horton, Robert M.; Leonard, William H. – American Biology Teacher, 2013
Biology and mathematics are inextricably linked. In this article, we show a few of the many areas in which this linkage might be made explicit. By doing so, teachers can deepen students' understanding and appreciation of both subjects. In this article, we explore some of these areas, providing brief explanations of the mathematics and some of the…
Descriptors: Biology, Science Instruction, Mathematical Concepts, Mathematics
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Boes, Katie E. – American Biology Teacher, 2013
Outdoor areas within or near college campuses offer an opportunity for biology students to observe the natural world and apply concepts from class. Here, I describe an engaging and integrative project where undergraduate non-major biology students work in teams to develop and present professional "eco tours." This project takes place over multiple…
Descriptors: Biology, Undergraduate Study, College Science, Student Projects
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