If all eukaryotes suddenly died off, the Earth's carbon cycle would immediately collapse and cease to exist.

Question

Quizplus · Accepted Answer

While the death of all eukaryotes would severely disrupt the Earth's carbon cycle due to their significant role in carbon fixation and decomposition, prokaryotes like bacteria and archaea also play crucial roles in the carbon cycle and would continue to facilitate carbon transformations, preventing the cycle from completely ceasing to exist.

If All Eukaryotes Suddenly Died Off, the Earth's Carbon Cycle