Raven'sGeno Saurer was made from the remains of his first through the organoid Shadow. This second Geno Saurer later evolved into the Geno Breaker; although this was done by Shadow, it is implied Ambient tampered with the process.
The Murasame Liger is shown to be able to "evolt", that is to change forms spontaneously.
Zoids video games often allow the player to use parts to create new Zoids. Zoids Saga DS shows roughly how each Zoid is related.