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Diatoms are marine organisms with an ornate silica shell. This silica
from ancient deposits of dead diatoms is useful in everyday life in products such as diatomaceous earth and toothpaste.Diatoms are traditionally divided into two broad catagories: centric diatoms (Centrales), which are radially symmetric, and pennate diatoms (Pennales), which are bilaterally symmetric. With this kit students can identify diatoms various shapes, including both symmetries.
Each tube contains enough algae to prepare about 50 slides.
Prices:
• Three samples of centric diatoms - $120
Cylclotella, Thalassiosira, Chaetoceros
Three samples of pennate diatoms
Navicula, Amphora, Phaeodactylum
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| The National Science Foundation | The University of Texas at Austin | Revenue from Cultures |