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

Question

Quizplus · Accepted Answer

Prokaryotes, specifically bacteria, are the most numerous organisms on Earth. They are found in every habitat on the planet, from soil to water to inside other organisms, and they play important roles in nutrient cycling, decomposition, and other ecological processes. While eukaryotes, plants, and insects are also widespread and diverse, they are significantly less numerous than prokaryotes. And while archaea are also a major group of microorganisms, they are generally less abundant than bacteria.

What Organisms Are Most Numerous on Earth