Mathematical Monday 9-13-10

You’ve heard of the Fibonacci sequence, right? Well, just in case, it’s a sequence of numbers that is created by adding the last two numbers to make the next.

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144

and so on.

Anyway, it turns out that this isn’t just cool to us, but to plants too. Branching plants branch by the Fibonacci sequence as you can see here.

There are a lot of other cool Fibonacci in Nature examples that you can find here. Yay math and science!

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1 Comment (+add yours?)

  1. Eleni
    Sep 13, 2010 @ 16:19:18

    Cool! I remember learning about shells and flower petals, but I didn’t realize branching plants used Fibonacci.

    About the starfish example… Some starfish have 5 arms. The ones I took photos of snorkeling recently have 15, which is not a Fibonacci number. But it’s a multiple of 5, so I guess it makes sense.

    Reply

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