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| स्तंभ-$I$ | स्तंभ-$II$ |
| $P. +,+$ | $I. \text{सहपरोपकारिता}$ |
| $Q. -,-$ | $II. \text{परजीविता}$ |
| $R. -,0$ | $III. \text{स्पर्धा}$ |
| $S. +,0$ | $IV. \text{असहभोजिता}$ |
| $T. +,-$ | $V. \text{सहभोजिता}$ |
| $VI. \text{परभक्षण}$ |
| सूची $I$ (पारस्परिक क्रिया) | सूची $II$ (जाति $A$ और $B$) |
| $A$. सहोपकारिता (Mutualism) | $I$. $+(A), 0(B)$ |
| $B$. सहभोजिता (Commensalism) | $II$. $-(A), 0(B)$ |
| $C$. अंतरजातीय परजीविता (Amensalism) | $III$. $+(A), -(B)$ |
| $D$. परजीविता (Parasitism) | $IV$. $+(A), +(B)$ |
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