The correct answer of the given question above would be option D. The option that did not occur during the Cenozoic era is the formation of the ozone layer. The ozone layer has long been there before any era since it is part of the earth's atmosphere. Hope this answer helps.
Answer:
Sperm is the componet of a person diet that is enmsentital for perustalsis
Lamarck's hypothesis of evolution was based on the theory of acquired inheritance.
Answer:
a theory should provide the simplest possible (viable) explanation for a phenomenon. and thereby your answer is C
