Question: With reference to ecosystem stability, consider the following statements
- A diverse and complex ecosystem is more stable.
- Ecosystem stability increases with decrease in number of links in food web. Which of the statements given above is/are correct
Options:
A) 1 only
B) 2 only
C) 1 and 2
D) None of the Above
Show Answer
Answer:
Correct Answer: A
Solution:
- Diversity increases the resilience of the system to outside invasions of exotic organisms. So statement 1 is correct. A large number of interacting feeding links provide alternative channels for energy flow and this generates a wide variety of adjustments of population to environment changes and stresses within the ecosystem. Therefore, ecosystem stability increases with increase in number of links in food web.