Friday, February 27, 2009
Little Wonders
Macroscopic, amoeba, paramecium, and protozoa are words that can be new to some people but they are very interesting. Macroscopic means you can see it without using a microscope. Amoeba are microscopic life forms that have no definite shape but the paramecium is shaped like a slipper. Protozoa are both amoeba and paramecium and act like bigger macroscopic life forms by eating smaller microscopic plants and animals. Many types of protozoa are harmful and can cause sleeping sickness and death by being in the water that we drink. Leeuwenhoek called these little protozoa "beasties". The nation with the biggest amount of sickness from protozoa is Africa, so if you ever plan a trip there it would be smart to pack your own water!
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