MCQ
Endemism refers to:
- AThe distribution of species at a cosmopolitan distribution.
- BDistribution of certain species in a restricted area.
- CA common feature of all organisms seen in the biosphere.
- DA and B are correct.
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| Column - $I$ | Column - $II$ |
| $(a)$ Parasitism | $(i)$ $++$ |
| $(b)$ Commensalism | $(ii)$ $+-$ |
| $(c)$ Amensalism | $(iii)$ $0+$ |
| $(d)$ Mutualism | $(iv)$ $0-$ |