The simplest and most abundant form of life on Earth today are the:
A)prokaryotes
B)fungi
C)molds
D)protists

Question

Quizplus · Accepted Answer

Prokaryotes, which include bacteria and archaea, are the simplest and most abundant form of life on Earth. They have been present on Earth for billions of years and can be found in almost every habitat, from deep ocean vents to soil to human intestinal tract. They are also extremely diverse, with estimates suggesting there are anywhere from 10^7 to 10^9 different species of prokaryotes.

The Simplest and Most Abundant Form of Life on Earth