| $+,+$ | $-,-$ | $+,o$ |
|---|---|---|
| Parasitism | Competition | Mutualism |
| $+,+$ | $-,-$ | $+,o$ |
|---|---|---|
| Predation | Competition | Commensalism |
| $+,+$ | $-,-$ | $+,o$ |
|---|---|---|
| Mutualism | Competition | Commensalism |
| $+,+$ | $-,-$ | $+,o$ |
|---|---|---|
| Mutualism | Parasitism | Amensalism |
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| Column-$I$ | Column-$II$ |
|---|---|
| $(a)$ Parasitism | $(i)$ $++$ |
| $(b)$ Commensalism | $(ii)$ $+-$ |
| $(c)$ Amensalism | $(iii)$ $0+$ |
| $(d)$ Mutualism | $(iv)$ $0-$ |
| Column $I$ $\&$ $II$ | Column $III$ |
|---|---|
| $a. (+, -)$ | $P. \text{Amensalism}$ |
| $b. (-, -)$ | $Q. \text{Commensalism}$ |
| $c. (-, 0)$ | $R. \text{Predation}$ |
| $d. (+, 0)$ | $S. \text{Competition}$ |
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