Question:
Which of the following characteristics are seen in a stable community?
i. It is strong enough to withstand environmental disturbance and recovers quickly.
ii. It is resistant to invasive species.
iii. It exhibits constant change in biomass production over a period of time.
iv. It has more species diversity.
Which of the following characteristics are seen in a stable community?
i. It is strong enough to withstand environmental disturbance and recovers quickly.
ii. It is resistant to invasive species.
iii. It exhibits constant change in biomass production over a period of time.
iv. It has more species diversity.
i. It is strong enough to withstand environmental disturbance and recovers quickly.
ii. It is resistant to invasive species.
iii. It exhibits constant change in biomass production over a period of time.
iv. It has more species diversity.
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Stable community = High diversity + Resistance + Resilience + Less fluctuation
Updated On: May 8, 2026
- i, iii and iv only
- i, ii and iv only
- i, ii and iii only
- ii and iv only
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Concept: A stable ecological community maintains equilibrium and resists drastic changes over time.
• Stability depends on resistance (ability to resist disturbance) and resilience (ability to recover).
• High biodiversity contributes to stability.
Step 1: Analyze statement i.
A stable community can withstand disturbances and recover quickly. Hence, correct.
Step 2: Analyze statement ii.
Stable communities resist invasion by alien species due to strong interactions and niche occupation. Hence, correct.
Step 3: Analyze statement iii.
Stable communities show relatively constant biomass production, not continuous fluctuations. Thus, this statement is incorrect.
Step 4: Analyze statement iv.
Higher species diversity increases stability by providing alternative pathways and buffering effects. Hence, correct.
Step 5: Conclusion.
Correct statements: i, ii, iv. Final Answer: Option (B)
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