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Decomposition by Bacteria and Fungi in Organic Matter

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Decomposition by Bacteria and Fungi in Organic Matter

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Questions and Answers

Which type of microorganism dominates on larger detrital particles?

Algae

Protozoa

Fungi (correct)

Bacteria

What is a key advantage of bacterial morphology compared to fungi for nutrient acquisition?

Efficient in breaking down wood

Filamentous hyphae structure

Efficient in nutrient acquisition (correct)

Ability to penetrate plant cell walls

What does a lower Net Growth Efficiency (NGE) of microorganisms indicate?

Efficient assimilation of nutrients

High nutrient retention in microbial biomass

Transient nutrient retention in microbial biomass

Loss of detrital carbon as CO2 (correct)

Which macroinvertebrates play a crucial role in fragmenting large litter particles?

Earthworms Signup and view all the answers

What is the primary role of microbes in the decomposition of plant organic matter (POM)?

To release extracellular enzymes that enhance the digestibility of POM Signup and view all the answers

What potential negative impact of microbial activity on detrital resources is mentioned in the text?

Microbes can deplete detrital resources through respiration Signup and view all the answers

How can microbial metabolism influence the availability of organic matter to consumers?

It can either increase or decrease the availability, depending on the pathways of mass loss Signup and view all the answers

Which of the following factors is NOT mentioned in the text as influencing the availability of detrital organic matter to consumers?

The competition between microbes and macroinvertebrates for food resources Signup and view all the answers

Based on the text, which of the following statements is TRUE regarding the broader implications of microbial activity in POM decay?

Microbial activity influences ecosystem functioning and food web dynamics through its effects on POM decay Signup and view all the answers

Decomposition by Bacteria and Fungi in Organic Matter

Choose a study mode

Podcast

Questions and Answers

Which type of microorganism dominates on larger detrital particles?

What is a key advantage of bacterial morphology compared to fungi for nutrient acquisition?

What does a lower Net Growth Efficiency (NGE) of microorganisms indicate?

Which macroinvertebrates play a crucial role in fragmenting large litter particles?

What is the primary role of microbes in the decomposition of plant organic matter (POM)?

What potential negative impact of microbial activity on detrital resources is mentioned in the text?

How can microbial metabolism influence the availability of organic matter to consumers?

Which of the following factors is NOT mentioned in the text as influencing the availability of detrital organic matter to consumers?

Based on the text, which of the following statements is TRUE regarding the broader implications of microbial activity in POM decay?

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