Sunflowers grow in spirals
The seeds in a sunflower sit in spirals. Count them and you’ll often find 34 turning one way and 55 the other. Both are Fibonacci numbers: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55… Each one is the two before it added together.
try it Find a pinecone and count its spirals. You might get 8 one way and 13 the other.