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The Ecosystem Concept :: Discussion
| 6. | Which of the following type of productivity counts the total fixation of energy by photosynthesis? | |
| A. | Secondary productivity | |
| B. | Primary productivity | |
| C. | NPP | |
| D. | GPP | |
| Answer: Option D | |
| Explanation: | |
|
GPP is gross primary productivity, which is a measure of total fixation of energy by means of photosynthesis. |
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