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11. Some important events in the history of life on earth are listed below
1) Appearance of first vertebrates
2) Dominance of mammals and birds
3) Development of coniferous plants
4) Appearance of first birds
5) Development of insects
6) Appearance of first flowering plants
Match the above with the geological time periods and select the correct
combination.
A) 1-Tertiary, 2— Carboniferous, 3 - Ordovician, 4 — Cretaceous,
....
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