** This easy to understand video explains facts about Fibonacci numbers and their uses in nature:**

** Fibonacci Numbers in Nature**

The Fibonacci series is defined mathematically by the relation,

**Fn = Fn-1+Fn-2 **where, F0=0 and F1=1.

Or it can be stated as, a linear sequence in which, the next no. is addition of previous two numbers. This Series is named after an Italian mathematician, the Leonardo of Pisa who is best known as Fibonacci.

**Facts you didn’t know: –**

- Fibonacci numbers are important in describing some natural processes in the field of botany.
- The no. of petals on a daisy flower is always a Fibonacci no. with 21, 34 or 55.
- Fibonacci numbers were first introduced in ‘Liber Abaci’ of Fibonacci.
- Fibonacci first noted the sequence while solving a problem based on rabbit breeding.
- From galaxies to hurricanes to sunflowers, Fibonacci numbers appear in nature.
- This series is found in ancestry of a drone bee.
- Fibonacci numbers are used to search a sorted array in the field of computer science.
- Fibonacci series can be used to determine at what point the price of a financial asset will stop and reverse in the opposite direction. This method is known as Fibonacci retracement.
- Fibonacci was not the first one to know the sequence. It was known in India years before.