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Net production efficiency (NPE) is defined as the product of 100 and the quotient of net consumer productivity and assimilation. If the invertebrate primary consumers of an ecosystem exhibit a NPE of about 20% and pass on about 1000 kcal/m2/yr to secondary consumers, what is the assimilation of the primary consumers?
| A. | 5000 kcal/m2/yr | |
| B. | 10000 kcal/m2/yr | |
| C. | 2000 kcal/m2/yr | |
| D. | 1000 kcal/m2/yr |
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