Which of the Following is Correct

Question

Which of the following is correct?
A) Most organisms alive today are prokaryotes.
B) Most modern prokaryotes are forced to live in extreme habitats.
C) Most prokaryotes today live in anaerobic environments.
D) Most prokaryotes are pathogenic.

Accepted Answer

Most organisms alive today are indeed prokaryotes, including bacteria and archaea, which outnumber eukaryotic organisms. They are found in virtually every habitat on Earth, not just extreme or anaerobic environments, and the majority are not pathogenic but play essential roles in ecosystems, such as in nutrient cycling.