| List-$I$ | List-$II$ |
| $(i)$ $65$ million years ago | $(p)$ Sea weeds existed |
| $(ii)$ $350$ million years ago | $(q)$ Invertebrates formed |
| $(iii)$ $500$ million years ago | $(r)$ Jawless fish evolved |
| $(iv)$ $320$ million years ago | $(s)$ Dinosaurs disappeared |
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