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| $(I)$ अंतःक्रिया | $(II)$ प्रभाव |
|---|---|
| $(a) (+, -)$ | $(P)$ एमेंसेलिज्म |
| $(b) (-, -)$ | $(Q)$ सहभोजिता (Commensalism) |
| $(c) (-, 0)$ | $(R)$ परभक्षण (Predation) |
| $(d) (+, 0)$ | $(S)$ स्पर्धा |
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