Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) The diversity of life has depended on similar environments and ecological communities throughout the globe.
B) Sexual selection and genetic drift contribute 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) All organisms are genetically closely related.