Hyperbolic form
Animal: Cerebrum
Vegetable: Lactuca sativa
Mineral: Aragonite
Stoma form | Animal: Vestibulum oris |
Mineral: Aragonite | Vegetable: Acer negund |
Knot form | Mineral: Graphene fibre |
Vegetable: Ficus benghalensis | Animal: Deoxyribonucleic Acid (DNA) |