Mimic DNA?

[ca336458]

Here's a pretty good challenge: First of all, create a world. The world will have rules and objects. Such as a fish bowl, and the rules are that the fish cannot pass through the walls of the bowl and food floats on top of the water and disapears when eaten. Anyways, what you come up with for the 'world and it's rules and objects' is up to you. Here is the important part: each object has a nice number of instructions in which it keeps executing over and over. You know, like move, eat, rest, sleep, etc. The instructions are entirely up to you. They can be complex or simple. But here is the catch: the instructions that you give an object must evolve! In fact, another challenge could be writing a program that evolves and changes it's own code! Or just simply adds to it's own code. Have fun!