Multiple Choice
What is the role of a consumer in the flow of energy through a food chain?
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52. Ecosystems
Energy Flow Through Ecosystems
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Which of the following organisms in the soil food chain does not obtain energy directly from plants?
A
Photosynthetic bacteria
B
Primary consumers
C
Herbivores
D
Decomposers
Verified step by step guidance1
Understand the roles of different organisms in a food chain. In a typical food chain, energy flows from producers to various levels of consumers.
Identify the producers in the soil food chain. Producers are organisms that can produce their own food through photosynthesis, such as plants and photosynthetic bacteria.
Recognize that primary consumers and herbivores are organisms that obtain energy directly from producers by consuming them.
Consider the role of decomposers. Decomposers break down dead organic matter, recycling nutrients back into the ecosystem, but they do not obtain energy directly from living plants.
Conclude that decomposers are the organisms in the soil food chain that do not obtain energy directly from plants, as they rely on breaking down dead material instead.
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