Environmental Science 15th Edition by Scott Spoolman,Tyler Miller

Exercise 15

What is the key concept for this section? Define and give an example of a system. Distinguish among the inputs, flows (throughputs) , and outputs of a system. What is feedback ? What is a feedback loop ? Distinguish between a positive feedback loop and a negative (corrective) feedback loop in a system, and give an example of each. What is an ecological tipping point ?