For a class of 24 students. Working in pairs, students dissect 9 animals from different groups, comparing general structures and systems related to digestion, circulation, respiration, and reproduction. Similarities and differences observed among the specimens lead to further discussions of form and function, trends in shared characteristics, and links between groups. This classroom kit contains everything required for the dissections, plus a detailed instruction manual with reproducible blackline masters, background information, dissection guides for each of the 9 animals, reflection questions, and extension activities. Contents: 12 sycon sponges, 12 mussels, 12 earthworms, 12 crayfish, 12 grasshoppers, 12 Hydra, 12 starfish, 12 perch, 12 frogs, 12 disposable dissecting trays, 12 dissecting sets, 12 hand lenses, 12 student dissection guides.

Carolina's Perfect Solution - an alternative to formaldehyde - is a revolutionary fixative that produces superior specimens while improving the safety of your classroom or lab. Tissues and organs are extremely lifelike and retain better color and texture than with other preparations.