There are a lot. A very interesting one is seen in sunflowers, the golden spiral. The seeds grow in a spiral according to the Fibonacci Sequence. Other shapes include the triangle (as seen in river deltas and mountains), the bowl (as seen in valleys), spheres (like our planet or even fruits), stars (flower petals). There are lots of shapes in nature. Lots of these shapes have influenced great minds to find out the reason behind them.
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Geometric refers to shapes .. the geometric draws are usually mathematical in nature heavy on lines and technical shapes
geometric
Geometric and angular shapes are general classes of shapes associated with geometry and with geometry/trigonometry respectively. The two terms ("geometric shapes" and "angular shapes") are very general in nature, and it isn't really "doable" to make a list of all the geometric and angular shapes one may encounter.
Type the words "geometric shapes" in the search field of your browser and click SEARCH. You will get many websites with pictures of almost any geometric shape you can think of.
A couple of general observations: All shapes are geometric shapes. They may not be regular but they are still geometric. But, at a sufficiently detailed level, none of them will be geometric because all geometric shapes are ideals. A sphere, in nature is likely to be rough - at the molecular level - and so not precisely spherical. Subject to those two comments, how about: Stars (including the sun): spheres. Table salt (NaCl) crystal: cube Honeycomb : hexagonal based prism Carbon tetrachloride or methanr molecules: tetrahedra.