Living things: http://encyclopedia2.thefreedictionary.com/Characteristics+of+living+thingshttp://wiki.answers.com
Nonliving things:
http://wiki.answers.com/Q/Definition_of_non_living_things
Compare and contrast living and nonliving things:
http://www.ask.com/questions-about/Difference-between-Living-and-Nonliving-Things
http://answers.yahoo.com/question/index?qid=20080612043642AAfnCAA
