MCQ
Magnitude of primary productivity is affected by
- ATemperature, Availability of nutrients
- BSolar radiations available, Availability of nutrients
- CPhotosynthetic capacity of producers
- ✓All of these
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Choose the correct option for $A$ and $B$
| $(I)$ | $(II)$ | $(III)$ |
| $(a)$ Parasitism | $(i)\,-,0$ | $(A)$ Both get benefitted |
| $(b)$ Amensalism | $(ii)\,-,-$ | $(B)$ One get harmed other has no effect |
| $(c)$ Competition | $(iii)\,+,-$ | $(C)$ Both get harmed |
| $(d)$ Mutualism | $(iv)\,+,+$ | $(D)$ One is harmed and second is benefited |
Here $A$ and $B$ refers to