The amount of food energy produced or obtained or stored by a particular trophic level per unit area in a unit time is .................

Explanation

To answer the question, "The amount of food energy produced or obtained or stored by a particular trophic level per unit area in a unit time is .................", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for a term that describes the amount of food energy associated with a specific trophic level, measured over a specific area and time period.

2. **Identifying Key Terms**: The key terms in the question are "food energy," "trophic level," "per unit area," and "unit time." This indicates that we are looking for a measure of energy that is both spatial (area) and temporal (time).

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