Leonardo Fibonacci played an important role in bringing back ancient mathematics and made significant additions of his own into the mathamatical world.

The fibonacci sequence 1,1,2,3,5,8,11,21...and so on. The pattern is this wasy because the numbers add one another to make the next number in the pattern.

1- this sequence shows a pair of bunnies born.

1-this sequence shows a pair of babies grown up.

2- this sequence shows parents mating.

3- this sequence shows shows a pair of babies being born.