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State the definition of gross primary pr...

State the definition of gross primary productivity.

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**Step-by-Step Solution:** 1. **Understanding the Concept**: Gross Primary Productivity (GPP) refers to the total amount of organic matter (biomass) that is produced by autotrophs (producers) in an ecosystem through the process of photosynthesis over a specific time period. 2. **Defining GPP**: The definition can be stated as follows: - Gross Primary Productivity (GPP) is the total amount of biomass produced by producers in a given area over a specific time frame. 3. **Contextualizing GPP**: It is important to note that GPP is a measure of the energy captured by photosynthetic organisms, which is essential for the growth and reproduction of these organisms. ...
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