What is the Evolutionary Advantage?

We have 5 fingers, not 4 or 6.

Starfish and Echindodermata, the other phylum in the deuterostomes, have pentaradial symmetry.

So I ask you, /sci/, what is the EVOLUTIONARY ADVANTAGE of five?

>>7
Cute, but wrong. The number of fingers in humans isn't an adaptation, it's an accident of history. Fins had five bones, just because.
The panda's thumb, on the other hand, is an adaptation.