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| Column-$I$ | Column-$II$ |
|---|---|
| $(a)$ Edward Wilson | $(i)$ Ecosystem experiments on plots |
| $(b)$ Alexander von Humboldt | $(ii)$ Rivet Popper Hypothesis |
| $(c)$ David Tilman | $(iii)$ Coined the term Biodiversity |
| $(d)$ Paul Ehrlich | $(iv)$ Species-Area relationships |
| Column-$I$ | Column-$II$ |
| $(a)$ Clarias gariepinus | $(1)$ Zebra |
| $(b)$ Lantana | $(2)$ Tiger |
| $(c)$ Bali | $(3)$ Weed |
| $(d)$ Quagga | $(4)$ African Catfish |
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