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Multiple Choice
Which of the following is an example of a decomposer?
A
Hawk
B
Oak tree
C
Grasshopper
D
Mushroom
Verified step by step guidance
1
Understand the role of decomposers in an ecosystem: Decomposers are organisms that break down dead or decaying organic matter into simpler substances, recycling nutrients back into the environment.
Review the characteristics of the given options: Hawks are predators, oak trees are producers (plants that create their own food through photosynthesis), and grasshoppers are primary consumers (herbivores that feed on plants).
Identify the organism that fits the definition of a decomposer: Mushrooms are fungi, and fungi are well-known decomposers that break down organic material such as dead plants and animals.
Consider the ecological importance of decomposers: They play a critical role in nutrient cycling, ensuring that essential elements like carbon and nitrogen are returned to the soil for use by other organisms.
Conclude that the correct answer is 'Mushroom' because it matches the definition and function of a decomposer in an ecosystem.