Fossil evidence indicates that prokaryotic cells first existed on the Earth A) 350 years ago. B) 3500 years ago.. C) 3500 years ago D) 3.5 billion years ago. E) 3.5 × 10¹²years ago.

Question

Quizplus · Accepted Answer

Fossil evidence suggests that prokaryotic cells first existed on Earth approximately 3.5 billion years ago, making option D the correct choice. Option A is too recent of a time frame, option B has an extra "0" that makes it an incorrect measurement, option C is the same as option B, and option E is not a properly formatted answer option.

Fossil Evidence Indicates That Prokaryotic Cells First Existed on the Earth