Examlex
MATCHING
Match the period with the biological events
a.Cambrian 542mya
d.Jurassic 200mya
b.Carboniferous 359 mya
e.Quaternary 2.6 mya
c.Devonian 488 mya
-Bacteria and cyanobacteria, algae, fungi, age of marine invertebrates, first chordates
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