Biology, 27.08.2019 20:00 erin5678

Which of the following was a major milestone that allowed for greater diversity of life during the paleozoic era?
1.many marine animals became extinct.
2.photosynthetic prokaryotes produced more oxygen.
3.animals moved from the sea to the land.
4.reptiles became more diverse.

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Which of the following was a major milestone that allowed for greater diversity of life during the p...