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When you read that 75% of the Earth's surface is covered by water, what does it really mean? The answer goes far beyond just a simple fact. As with many topics in science, the deeper you go, the more you find.
Producers are living things that specialize in capturing energy and storing it in chemicals, such as sugars, starches, fats, and proteins. Most producers are plants, capturing solar energy through the process of photosynthesis. In that process, they use three things: energy (from sunlight), water, and carbon (from carbon dioxide.)
Now that we live in Johnson Canyon, Utah, we have all sorts of wildlife wandering through our yard, but we saw plenty of wildlife even when we lived in the city. All it takes is a walk to the neighborhood park.
This experiment is an easy source of protozoa for your regular microscope or your laser microscope. You can even see some of them with a good magnifying glass.
It can also lead to some interesting investigations and science projects.
