Question

multiple choice question
which group of organisms is numerically dominant on earth?

insects
plants
animals
microbes

Explanation:

Microbes (including bacteria, archaea, and many fungi/protozoa) exist in vastly greater numbers than all insects, plants, and animals combined. They inhabit nearly every environment on Earth, from deep ocean trenches to soil, and their total population size is orders of magnitude larger than any other group of organisms.

Answer:

D. Microbes