Animal habitats
Animal Habitats tend to be cylindrical like burrows, tree holes and nest they are cylinders as the trap heat inside. Home fish aquariums tend to be cuboids so it doesn't confuse the fish but sometimes they can be spherical or cylindrical. Arctic burrows are cylindrical and spherical for the same reason that they are kept warm.
Trees
Trees always have a cylindrical trunk and most trees' leaves form a pyramid shape or sphere. Some flowers on trees can be pyramids, cones or spherical. Tree leaves tend to be triangles or circles. Branches of trees are cylindrical.
Flowers:
Campanulate: Bell shaped.
Funnel form: funnel shaped
Stellate: star shaped
Mouraki boulders are spherical from the sea wearing them down. Salt crystals are cubes and cuboids and pepper is spherical. Pebbles are like 3D ovals.
How shapes are used.
Shapes are used in different ways long shapes such as cuboids and cylinders tend to be strong and support something. Yet spheres tend to roll. Shapes like Pyramids and cones are used mainly on top of buildings for decoration. Stars are used for flowers a cylinders and Spheres are mainly used for keeping in heat. Tree leaves are shaped to catch water or to look attractive for bees to pollinate them. Eggs are egged shapes to make them stronger.
