The CES EduPack Database of Natural and Man-Made Materials

2. The materials 3 2.1 Group 1. The basic structural building blocks of nature: proteins, polysaccharides, and minerals 3 2.2 Group 2. Soft tissue 5 2.3 Group 3. Mineralized tissue 5 2.4 Group 4. Woods and wood-like materials 6 2.5 Group 5. Natural fibers 7 2.6 Group 6. Bio-materials 7