An article in the New York Times stated the following: "Scientists have discovered micro-organisms living beneath the ocean floor that appear to have not evolved for more than two billion years,a finding that nonetheless may support the theory of evolution." The lack of evolution of these microorganisms could be caused by
A)organisms adapting to a changing physical or biological environment.
B)the bacteria's unchanging environment.
C)lack of protection in an environment that's existed on Earth,unchanged.
D)comparison of the specimens to modern communities of sulfur bacteria.

Question

Quizplus · Accepted Answer

The lack of evolution of these microorganisms could be caused by their unchanging environment, which has remained undisturbed for over two billion years, preventing selection pressures that might drive evolution.

An Article in the New York Times Stated the Following