What Organisms are Most Numerous on Earth

Question

What organisms are most numerous on Earth?
A) insects
B) plants
C) prokaryotes
D) archaea
E) eukaryotes

Accepted Answer

Prokaryotes, which include bacteria and archaea, are the most numerous organisms on Earth. They are found in almost all habitats, including soil, water, and even inside other organisms. It is estimated that there are around 5 x 10^30 prokaryotes on Earth, which is more than all other organisms combined.