Biology Ecosystem part 5 (Components : Decomposers) class 12 XII | Summary and Q&A

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August 2, 2015
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Biology Ecosystem part 5 (Components : Decomposers) class 12 XII

TL;DR

This video provides an overview of decomposers, their role in the ecosystem, and their importance in preventing pollution.

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Questions & Answers

Q: What is the role of decomposers in an ecosystem?

Decomposers play a vital role in an ecosystem by breaking down dead bodies of producers and consumers, preventing pollution, and recycling nutrients back into the ecosystem.

Q: What would happen if decomposers were not present in an ecosystem?

Without decomposers, dead bodies of animals and plants would accumulate, causing pollution. Nutrient cycling would be disrupted, affecting the survival of other organisms in the ecosystem.

Q: How do decomposers obtain their energy?

Decomposers obtain energy by feeding on dead and decaying matter. They break down the organic material and absorb the nutrients for their own survival.

Q: Can you give examples of decomposers?

Bacteria and fungi are the most common examples of decomposers. They are effective in decomposing dead organisms and recycling nutrients in an ecosystem.

Summary & Key Takeaways

  • Decomposers are living organisms that help in the decomposition of dead organisms in an ecosystem.

  • They feed on the dead bodies of producers and consumers, preventing pollution by breaking down organic matter.

  • Bacteria and fungi are examples of decomposers that play a crucial role in the decomposition process.

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