ChadNeedsHelp ChadNeedsHelp
  • 04-11-2016
  • Biology
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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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nbtga13 nbtga13
  • 04-11-2016
3 i believe not 100 percent sure though
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