Which Statement About Evolution Is True

Multiple Choice

Which statement about evolution is true?

A) The diversity of life depends on the existence of similar environments and ecological communities throughout the globe.
B) Sexual selection contributes to the diversity of life.
C) Earth has existed and changed over a few thousand years,at most.
D) All ancestral forms of life were very similar to organisms that currently exist.
E) Some organisms that exist do not share common ancestors with other organisms.