Which of the following are early microbial cells that individually decayed and filled with calcium carbonate or silica?

Question

Quizplus · Accepted Answer

Microfossils are the only option among the given choices that are individual microbial cells that decayed and filled with calcium carbonate or silica. Stromatolites and sedimentary mats are structures built by microbial communities, while archaean cells and Hadean formations refer to different periods in Earth's history.

Which of the Following Are Early Microbial Cells That Individually