Question 1 of 11intermediate🔍 AnalyzeLong Answer5 marks

A population is part of a community. If all decomposers suddenly disappear from a forest ecosystem, what changes do you think would occur? Explain why decomposers are essential.

Correct Answer

If all decomposers disappeared from a forest ecosystem, dead plants and animals would accumulate without breaking down.

The nutrients locked in dead matter would not return to the soil, leading to nutrient depletion.

Plants would suffer from lack of essential nutrients, affecting their growth and the entire food chain.

Over time, the forest would become unhealthy, with piles of dead organic matter and declining plant populations.

Decomposers are essential because they break down complex substances in dead plants and animals into simpler ones, returning important nutrients to the soil.

This recycling process ensures that nutrients are continuously available for plant growth, maintaining the balance of the ecosystem.

Without decomposers, the natural cycle of nutrient recycling would stop, disrupting all life processes dependent on healthy soil.

Exercise: Keep the curiosity alive | Q: 2 | (Page Page 18)
For More Understanding

Explanation

The chapter explains in Section 12.6 that microorganisms like fungi and bacteria break down complex substances in dead plants and animals into simpler ones through decomposition. This process returns important nutrients to the soil. The chapter states that 'in nature, nothing is wasted—everything is reused.' Decomposers or saprotrophs play an important role in recycling nutrients, and plants depend on soil nutrients that come from the decomposition process.

Solution Steps

  1. Dead plants and animals would accumulate without decomposers to break them down

  2. Nutrients locked in dead matter would not return to the soil, causing nutrient depletion

  3. Plants would suffer from lack of essential nutrients, affecting their growth

  4. The entire food chain would be affected by declining plant populations

  5. Decomposers break down complex substances in dead organisms into simpler ones

  6. Decomposers return important nutrients to the soil through decomposition

  7. The recycling process maintains ecosystem balance by ensuring continuous nutrient availability

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