The Hypothesis That There Is a Common Ancestor to All

Multiple Choice

The hypothesis that there is a common ancestor to all living organisms is strengthened by what observation?

A) Almost all cells in all living organisms use DNA to direct their structure, function, and behavior.
B) All living organisms use energy acquired directly from the environment or from other organisms.
C) All living organisms reproduce.
D) Each type of living organism adheres to the general principles of the biological hierarchy.