Podcast
Questions and Answers
What is an example of a micro-decomposer?
What is an example of a micro-decomposer?
- Earthworm
- Slug
- Fungi (correct)
- Mushroom
Which of the following statements is true regarding macro-decomposers?
Which of the following statements is true regarding macro-decomposers?
- They primarily consist of bacteria.
- They are larger but less numerous. (correct)
- They play a negligible role in decomposition.
- They are microscopic organisms.
Which organism category does not belong to micro-decomposers?
Which organism category does not belong to micro-decomposers?
- Fungi
- Bacteria
- Insects (correct)
- Protozoans
In terms of size, how do micro-decomposers compare to macro-decomposers?
In terms of size, how do micro-decomposers compare to macro-decomposers?
What is the term used to describe the cycling of nutrients in the biosphere?
What is the term used to describe the cycling of nutrients in the biosphere?
Which of the following best describes the classification of decomposers?
Which of the following best describes the classification of decomposers?
What geometric shape is always formed in the context of energy transfer in ecosystems?
What geometric shape is always formed in the context of energy transfer in ecosystems?
Which of the following best describes the relationship between nutrients and biogeochemical cycles?
Which of the following best describes the relationship between nutrients and biogeochemical cycles?
Which concept is primarily associated with the movement of energy and nutrients in ecosystems?
Which concept is primarily associated with the movement of energy and nutrients in ecosystems?
What does the term 'upright pyramid' suggest in the context of ecological energy transfer?
What does the term 'upright pyramid' suggest in the context of ecological energy transfer?
Which process uses carbon dioxide from the atmosphere or water?
Which process uses carbon dioxide from the atmosphere or water?
What is a key compound involved in the carbon cycle found dissolved in oceans?
What is a key compound involved in the carbon cycle found dissolved in oceans?
Which of the following is NOT a process included in the carbon cycle?
Which of the following is NOT a process included in the carbon cycle?
Why is carbon dioxide important in photosynthesis?
Why is carbon dioxide important in photosynthesis?
Where is a significant amount of carbon dioxide found aside from the atmosphere?
Where is a significant amount of carbon dioxide found aside from the atmosphere?
What happens to the phosphates that move with surface runoff?
What happens to the phosphates that move with surface runoff?
What primarily causes phosphorus to be taken out of its normal cycle?
What primarily causes phosphorus to be taken out of its normal cycle?
Why is the supply of phosphorus considered limited?
Why is the supply of phosphorus considered limited?
What is a consequence of the over-exploitation of phosphorus?
What is a consequence of the over-exploitation of phosphorus?
Where does a significant amount of phosphate end up due to surface runoff?
Where does a significant amount of phosphate end up due to surface runoff?
What is the primary source of carbon found in living organisms?
What is the primary source of carbon found in living organisms?
Which statement best describes the solubility of carbon dioxide?
Which statement best describes the solubility of carbon dioxide?
Which of the following statements about carbon dioxide is incorrect?
Which of the following statements about carbon dioxide is incorrect?
In the context of the carbon cycle, what is the significance of fossil fuels?
In the context of the carbon cycle, what is the significance of fossil fuels?
Which process is primarily responsible for releasing carbon from fossil fuels back into the atmosphere?
Which process is primarily responsible for releasing carbon from fossil fuels back into the atmosphere?
Study Notes
Decomposers
- Decomposers are classified into two types: micro-decomposers and macro-decomposers.
- Micro-decomposers include microscopic organisms such as bacteria, fungi, and protozoans.
- Macro-decomposers are larger organisms but are fewer in number.
- The structure of decomposer populations resembles an upright pyramid, indicating the larger biomass of micro-decomposers compared to macro-decomposers.
Biogeochemical Cycles
- Biogeochemical cycles refer to the cycling of nutrients within the biosphere.
- The carbon cycle is a key component, where atmospheric carbon dioxide serves as the primary carbon source for living organisms and fossil fuels.
- Carbon dioxide is highly soluble in water; oceans hold significant amounts of dissolved carbon dioxide and bicarbonates.
Carbon Cycle Processes
- Photosynthesis is a crucial process where terrestrial and aquatic plants use carbon dioxide to produce organic compounds.
- A considerable amount of phosphates is transported with surface runoff into oceans, leading to loss in deep sediments.
- Phosphate rocks on Earth contain limited phosphorus supply, leading to over-exploitation and further loss from the normal phosphorus cycle.
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Description
Explore the fascinating world of decomposers with this quiz. Learn about the differences between micro-decomposers like bacteria and fungi, and macro-decomposers that are larger in size but fewer in number. Test your understanding of their roles in the ecosystem.
