Which of the following statements is INCORRECT?

a) Oxygen was abundant in the Earth's early atmosphere, before the origin of life.
b) Experiments like Miller and Urey's do not work in the presence of oxygen.
c) Environments without oxygen are the best for preserving fossils.
d) Oxygen attacks chemical bonds and extracts electrons, which prevents the formation of complex molecules.
e) The accumulation of oxygen in the early environment was a result of the photosynthetic activity of terrestrial plants.


Ans: a) Oxygen was abundant in the Earth's early atmosphere, before the origin of life.

Biology & Microbiology

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