text: what are the three characteristics of a system?   1. environment 2. boundary 3. emergence 4. parts 5. processes 6. input and output 7. internal functional areas 8. stability  check out this website for information about each one of these characteristics (this was also my source):  http://www.scit.wlv.ac.uk/university/scit/modules/cp4414/lectures/week2/businfo2/sld003.htm