The mass extinction that occurred on earth 65 million years ago was immediately followed by:

a) the rise of archaea.
b) the emergence of the first non-photosynthetic organisms.
c) an increase in atmospheric oxygen levels.
d) the rapid divergence and radiation of modern mammals.
e) the rise of the reptiles, including the dinosaurs.


Ans: d) the rapid divergence and radiation of modern mammals.

Biology & Microbiology

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