IB
IBO
Biology
May 2015
QP-201505-Biology-P3(TZ2)-SL · Question 12
Question (excerpt):
Turn over 32EP17 12. (a) Outline the contribution of prokaryotes to the origin of an oxygen-rich atmosphere. [2] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .…
Turn over 32EP17 12. (a) Outline the contribution of prokaryotes to the origin of an oxygen-rich atmosphere. [2] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .…
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