More than 250 years ago a man named Anton van Leeuwenhoek looked at a drop of what he believed to be perfectly clean water from a rain-barrel through a microscope. What he saw amazed him for he had discovered a world of previously unseen strange plants and bizarre animals. Since that day thousands of different denizens of the pond have been discovered. This lesson will introduce your students to this world and its many lifeforms. 1. Fish and Plants-living 2. Algae - wm (175X) 3. Amoeba - wm/st (250X) 4. Paramecium - wm (30X) 5. Volvox - wm (150X) 6. Bladderwort - wm (5X) 7. Hydra - wm (11X) 8. Daphnia - wm (10X)