Before moving on ask yourself if you've met the Learning Targets for this week:

Describe cell specialization and levels of organization Identify how levels of organization work together in an organism Explain the concept of homeostasis Explain the difference between negative and positive feedbacks Describe the interaction between organ systems in terms of homeostasis Describe the effects of disruption of homeostasis

If not take the time to review the ones you are uncertain of, and let your teacher know if you need more help on any of these.