smhのようなどんな単語でも探してください。
 
1.
The conglomeration of multiple lower level organisms to form a higher level organism. Most commonly used to describe the succession of mouse to moose.
"Spontaneous Moosination"

Several Mouse form a group of Mice.

Several Mice form a group of Meese

Several Meese form a Moose
Physiology sucksによって 2011年11月28日(月)