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Glossary
- Chitin - a polysaccharide, the principal constituent of shells of arthropods and shards of beetles, and found in certain fungi
- Cytoplasm - the protoplasm of a cell surrounding the nucleus
- Polycystina - a superorder of radiolaria, named after there "two tier" skeleton comprised of inner and outer shells
- Radiolarians - are single celled organisms distinguished by their intricate exoskeletons
- Silica - is a chemical compound comprised of silicon and two oxygen atoms
(SiO2)
- Spicule - is a spine like feature of the test, formed by the fusion of inner siliceous bars and beams
- Test - is the outermost shell of radiolarians
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