Once the most abundant and widespread frog species in North America, leopard frogs were widely collected not only for dissection but ... They generally live near ponds and marshes, but will ...

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. At a time when numerous interactive and ...

You can “peel back layers” and view individual body systems inside the frog—for example, the skeletal system, the muscular system, or the digestive system. (3) “Dissection,” with which you can conduct ...