Competition occurs when
- AClosely related species compete for same resources
- BUnrelated species compete for same resources
- CBoth $(a)$ and $(b)$
- DNatural resources are unlimited
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Interaction Type Sign Description $(a)$ Parasitism $(i) -, 0$ $(A)$ Both get benefitted $(b)$ Amensalism $(ii) -, -$ $(B)$ One gets harmed,other has no effect $(c)$ Competition $(iii) +, -$ $(C)$ Both get harmed $(d)$ Mutualism $(iv) +, +$ $(D)$ One is harmed and second is benefited
| Interaction Type | Sign | Description |
|---|---|---|
| $(a)$ Parasitism | $(i) -, 0$ | $(A)$ Both get benefitted |
| $(b)$ Amensalism | $(ii) -, -$ | $(B)$ One gets harmed,other has no effect |
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| $(d)$ Mutualism | $(iv) +, +$ | $(D)$ One is harmed and second is benefited |
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