Question 11 of 28intermediate💡 UnderstandShort Answer3 marks

How does the diversity of organisms contribute to the balance and stability of an ecosystem?

Correct Answer

The diversity of organisms, or biodiversity, contributes to ecosystem balance because every organism plays a specific role in keeping nature stable and functioning. For example, microscopic algae release oxygen, plants capture sunlight to prepare food, pollinators like birds and bees assist in reproduction, and decomposers like fungi and bacteria convert waste into fertile manure. These interconnections sustain the ecosystem.

Additionally, biodiversity reduces risks like crop failure and strengthens food security. It also creates physical, biological, and chemical barriers to protect ecosystems from challenges. For example, diverse mangrove trees reduce cyclone destruction, diverse animal hosts act as biological barriers against diseases like Monkey Fever, and diverse microorganisms absorb and break down pollutants to improve water quality.

Exercise: Revise, Reflect, Refine | Q: 6 | (Page 22)
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Explanation

The answer is constructed using only the provided context, which explicitly states how different organisms perform essential roles (like oxygen production, food preparation, pollination, and decomposition) that sustain ecosystems. It also incorporates the context's points on how biodiversity provides resilience against environmental challenges, such as cyclones, diseases, and pollution, thereby ensuring stability and balance.