Invertebrate Food Selection
This laboratory exercise was developed for a one-semester course geared for the nonscience student. The course, MARS 1020, is one option for students to choose when fulfilling a life science require...

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Distribution of Digestive Enzymes in Cockroaches
The digestive tract of a cockroach is a tube modified into subdivisions, which serve specialized digestive functions: food reception, conduction and storage, internal digestion, absorption, conducti...

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Time Lapse Movies of Cell Movement and Mitosis
Using cultured mammalian cells, an inverted microscope, and a CCD video camera, it was possible to demonstrate motility of single cells and movements within cells. We looked at membrane ruffling, ma...

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Scientific Journal Writing for Dummies: An Approach to Teaching Scientific Writing to First-Year Biology Majors in An Introductory Lab
In 1996, the University of Dayton Biology Department collaborated with the “Write Place” (a campus resource to enhance writing competency across the curriculum for students) to change the biology de...

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Web-based Physiology Laboratory Simulations
I have devised several multimedia laboratory simulations with an intuitive user-interface, so that students can work independently (or in small groups) and learn at their own pace and depth. The sim...

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How Low Can You Go? The Effect of Salt on Ice
This is a guided inquiry lab used in Science 100, an interdisciplinary lab-based science course for non-science majors at the University of Maryland, Baltimore County. Water provides the central the...

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Evolution of Plants from the Paleozoic to the Present
In an effort to present well-understood mechanisms of adaptation and selection in a simple format, we have developed an introductory laboratory script based on adaptive history and change in the pla...

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A Treasure Hunt Through Pond Scum
Most of us were introduced to protist diversity by examining wet mounts of cultures or prepared slides of representative species. In the protist lab of our introductory biology labs for non-science ...

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Making Ecology Local: Engaging Your Students in Environmental Issues and Biology
Our objectives for this project are to engage students in learning about biology; to recognize biological issues in local, current events; to encourage students to find a connection between biology ...

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Introductory Modeling: The Global Carbon Cycle and Climate Change
Models represent a simplification of systems observed in nature. Researchers use models to investigate complex processes that would be infeasible to study simultaneously or in one lifetime (or under...

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