Dissection labs invariably make some—maybe even a majority—of students a bit queasy. At the end of the day, however, they also tend to fascinate just about everybody involved (even the queasy ones).
Whether it’s accomplished using a preserved specimen, a 3-D model, or a computer-based virtual dissection, hands-on investigation of an animal’s anatomy can anchor a wide variety of biology and zoology lessons. After all, considering how an animal is put together—from the contour of its limbs and the length of its tail to the relative proportions of its inner organs—weaves together concepts of taxonomy, physiology, and ecology.
A student dissecting a perch, for instance, links the biomechanical picture of the fish’s body shape and form with the interior morphology of its muscles. The skull structure of a rat prompts a discussion of the animal’s ecological niche (and, from that, some of the secrets to its globe-hopping success). But why stop there? There are still more fundamental explorations to be made: of the anatomical similarities and differences across animal species and classes, and the profound insights into adaptation, and speciation that naturally flow from them. And zooming in from the whole animal to its internal tissues, organs, and cells helps students reflect upon the different organizational scales of life and on a “systems” concept that can be extended all the way out to the biosphere as a whole.
Anytime we can emphasize how scientific disciplines overlap and inform one another, and anytime we can emphasize the link between fine-focus concepts and big-picture ideas, we’re succeeding at being science educators. A dissection lab—revealing nuggets of the mysterious inner workings of an organism, and suggesting the parallels between creatures as seemingly disparate as a crayfish and a human being—sets the stage for driving home some of those important connections in the classroom.
Check out the full inventory of dissection supplies at Frey Scientific’s website.
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