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Which best describes organisms of the Precambrian era?

A. land plants and animals
B. dinosaurs and primitive mammals
C. single-celled organisms and soft, boneless animals
D. ferns and flying reptiles

User Tobym
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1 Answer

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Out of the choices given, the best way to describe the organisms of the Precambrian era are they were single-celled organisms and soft, boneless animals. One thing from that time that we still have today is the jellyfish. The correct answer is C. 
User Ethon
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