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| स्तंभ-$I$ | स्तंभ-$II$ |
| $P. +,+$ | $I. \text{सहपरोपकारिता}$ |
| $Q. -,-$ | $II. \text{परजीविता}$ |
| $R. -,0$ | $III. \text{स्पर्धा}$ |
| $S. +,0$ | $IV. \text{असहभोजिता}$ |
| $T. +,-$ | $V. \text{सहभोजिता}$ |
| $VI. \text{परभक्षण}$ |
| स्तंभ $I$ और $II$ | स्तंभ $III$ |
|---|---|
| $a. (+, -)$ | $P. \text{Amensalism}$ |
| $b. (-, -)$ | $Q. \text{Commensalism}$ |
| $c. (-, 0)$ | $R. \text{Predation}$ |
| $d. (+, 0)$ | $S. \text{Competition}$ |
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