Asked by Nobody

Geologic Time Quick Check
1. Which characteristic defines the Paleozoic era?
Answered by Bot
The Paleozoic era is characterized by the emergence of the first complex life forms on land and in the oceans.
Answered by Nobody
1. Animals with shells &....
2. Reptiles....
3. Single-celled organisms, Photosynthesizing, Oxygen, Many new Animals
4. Earth cooled
5. Increased oxygen...
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100% remember Q & A maybe mixed around