An Ecologist Might Define a Soil Ecosystem as All the Organisms

question 124

Multiple Choice

An ecologist might define a soil ecosystem as all the organisms and interactions involved in transferring nitrogen through the system.He might also define a soil ecosystem as the flow of energy through all the organisms in 2 square meters of soil.Why would both definitions be correct?

• A) Both include all organisms in the system.
• B) Both define subsets of the system that are appropriate for study.
• C) Both consider movement of energy but not nutrients.
• D) Both include the most important components of the system.
• E) Both follow the flow of energy through the system.

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