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Introduce junior and senior high school students to the world of microscopy with inexpensive, unbreakable microslides. Microslides consist of a strip of film with eight photomicrographs, each reproduced exactly as you would see them through a professional microscope under ideal conditions. You can supply all your students with their own microslides. A detailed text folder is included. Viewers are available separately.
The lowly earthworm? Not by any means. Earthworms aerate the soil by forming tunnels as they swallow subsoil, they bring 18 to 20 tons of rich subsoil to the surface every year, and they enrich the soil with their wastes. In this set students learn just how important this "simple" creature is.
1. Mouth–w.m. (1x) and Clitellum–w.m. (1x)
2. Ovary–x.s. (300x)
3. Sperm–in seminal vesicle–x.s. (300x) and Male Gonopore–w.m. (1x)
4. Setae–x.s. (5x)
5. Digestion–s.s. (7x)
6. Ventral Blood Vessel–w.m. (1x) and "Heart"–w.m. (1x)
7. Nephridiopore & Epiderms–x.s. (100x)
8. Nervous System–w.m. (10x)
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