The stereo-microscope was first invented in the 1830's. At this station students looked at several different groups of marine invertebrates. They identified the animal and made biological notes. They tried to observe how the animal moves, feeds, hides or protects itself as well as how it may sense the world around it. Biologists have described over a quarter-million species of plants and nearly a million animal species.
Invertebrates are animals without backbones.
Apart from the universal lack of an internal backbone, many of these species have little in common with each other. The Horseshoe Crab . Then students had their chance to handle this animal and made a variety measurements. The instructors also informed the students about the bio-medical and environmental importance of this species. Solar Energy Students do three experiments to learn about Solar Energy.