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Questions and Answers
During which era did birds and mammals first appear?
During which era did birds and mammals first appear?
- Precambrian
- Mesozoic Era (correct)
- Cenozoic Era
- Paleozoic Era
What major event killed 95% of life at the end of the Paleozoic Era?
What major event killed 95% of life at the end of the Paleozoic Era?
- Cambrian explosion
- Breakup of Pangaea
- Mass extinction event (correct)
- Formation of Pangaea
Which era was known as the Age of Reptiles?
Which era was known as the Age of Reptiles?
- Paleozoic Era
- Precambrian
- Cenozoic Era
- Mesozoic Era (correct)
When did flowering plants first appear on Earth?
When did flowering plants first appear on Earth?
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