(a) (i) - C; (ii) - D; (iii) - B, (iv) - A

(i) - D; (ii) - C; (iii) - A; (iv) - B

(i) - A; (ii) - D; (iii) - B; (iv) - C

(i) - C; (ii) - D; (iii) - A; (iv) - B

Consider the following periods of geological time scale (i) Paleoarchean (ii) Cambrian (iii) Ordovician (iv) Silurian Link above periods with the following events in flora and fauna A. First green plants and fungi on land B. First Vascular plants (the rhyniophytes); First jawed fishes C. First known oxygen-producing bacteria. Oldest definitive microfossils D. Major diversification of life, numerous fossils; First chordates appear

Consider the following periods of geological time scale (i) Paleoarchean (ii) Cambrian (iii) Ordovician (iv) Silurian The link above periods with the following events in flora and fauna A. First green plants and fungi on land B. First Vascular plants (the rhyniophytes); First jawed fishes C. First known oxygen-producing bacteria. Oldest definitive microfossils D. Major diversification of life, numerous fossils; First chordates appear

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