Multiple Choice
Which of the following statements is true about the cycling of oxygen in a pond ecosystem?
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48. Ecology
Introduction to Ecology
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In an ecosystem, what is the primary role of a decomposer?
A
To break down dead organic matter and recycle nutrients
B
To consume primary producers
C
To produce energy through photosynthesis
D
To provide shelter for other organisms
Verified step by step guidance1
Understand the role of decomposers in an ecosystem. Decomposers are organisms, such as bacteria and fungi, that break down dead organic matter.
Recognize that decomposers play a crucial role in recycling nutrients back into the ecosystem. They convert organic materials into simpler substances that can be used by other organisms.
Differentiate decomposers from other types of organisms in the ecosystem, such as primary producers, which are typically plants that produce energy through photosynthesis.
Consider the importance of nutrient cycling. Decomposers help maintain the balance of nutrients in the soil, which supports plant growth and sustains the ecosystem.
Reflect on the ecosystem's energy flow. While decomposers do not produce energy through photosynthesis, they are essential for breaking down organic matter, thus facilitating the flow of energy and nutrients.
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