hipsterのようなどんな単語でも探してください。
 
1.
modification of an organism or its parts that makes it more fit for existence under the conditions of its environment
adaptation:
Some examples are: hollow bones and feathers of birds that enable them to fly, or the cryptic coloration that allows many organisms to hide from their predators.

twiztiddezirezによって 2005年09月14日(水)