"The dissection of anatomical specimens such as the fetal pig has fallen on hard times in the introductory college biology laboratory," observes Robert V. Blystone, a professor of biology at Trinity ...

More than 12 million animals, including frogs, cats, rats, fetal pigs, fish and a variety of invertebrates are used for dissection in the US each year ... There are 11 other Biosphera models, ...