As a teenager i say: need for relationships, generally rebellious, sociable, prone to friendship groups, hypersomnaic
Character traits typically refer to the moral and ethical qualities of a person, such as honesty and courage, while personality traits encompass a broader range of characteristics that define an individual's behavior, thoughts, and emotions, such as extroversion or openness. In essence, character traits are a subset of personality traits focused on moral values and ethical principles.
All cats have many common traits. They have resembling appearances and almost the same feeding habits. They do not have the same behavior as I think you must have thought. Even I don't know so much about cats as I myself am 10 yrs old.
Much the same as US teenagers.
The same a teenagers anywhere in the world.
young adults can be considered up to mid twenties or so. Teenagers are, well, teenagers.
pleiotropy
Well, teenagers are not all the same. They do have common traits though, such as, them wanting to spend time with there friends more than family. They always want something, they are definitely mean at times but despite their bad attitudes and problems, they really do care about their family members and their friends. They are moody and unsocial at times.
Teenagers are pretty much the same the world over so Canadian teenagers are no different than the rest.
pleiotropy
I think you mean inherited and inherited traits - in which case yes - they're the same.
organism that produces the same traits in every generation?
Teenagers search the web for the same reasons any other age group does. They are looking for information.