5. Meadows uses Figure 21 as an example of a stock with both a reinforcing loop

Question

5. Meadows uses Figure 21 as an example of a stock with both a reinforcing loop and a balancing loop. In this system, what behaviors would you expect to see in the population based on its loops?

8. In systems with balancing feedback loops, what is likely to happen when there is a delay and a quick reaction to offset or fix the delay?

9. Which of the following statements about physical, exponential system growth is accurate?

QUESTION 5 births deaths fertility Figure 21. Population governed by a reinforcing loop of births and a balancing loop of deaths Meadows uses Figure 21 as an example of a stock with both a reinforcing loop and a balancing loop. In this system, what behaviors would you expect to see in the population based on its loops? The population has a balancing loop, causing it to decline through its birth rate The population has a reinforcing loop, causing it to grow through its death rate. The population has a reinforcing loop, causing it to grow through its birth rate The population has a balancing loop, causing it to decline through its death rate. The population level would remain the same due to equal flows of births and deaths. Both a. and b Both c. and d QUESTION 8 In systems with balancing feedback loops, what is likely to happen when there is a delay and a quick reaction to offset or fix the delay? No change in the behavior of the system. Minor changes in the behavior of the system. Oscillation of the system. Breakdown of the system. QUESTION 9 Which of the following statements about physical, exponential system growth is accurate? It takes a long time for a quantity growing exponentially toward a constraint or limit to reach that limit. Growing systems have both reinforcing loops for growth and balancing loops for constraint, regardless if the balancing loops are not yet dominant. Physical systems can grow forever in finite environments. Constraints in growth systems can occur from strengthening the inflow and weakening the outflow

Explanation / Answer

Answer :

5 ) both c and d are the correct options.

8) minor changes in the behaviour of the system

9) growing systems have both reinforcing loop fir growth.....

9)

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