What differentiates one species from another?
What kinds of mechanisms tend to isolate populations enough to promote genetic divergence?
What are the two major forces that drive the evolutionary process?
What was the significance of Miller's experiment in solving the macro-evolutionary puzzle?
How does comparative biochemistry help establish the lineage of even the most primordial organisms?
In what ways are we similar to primitive single celled organisms such as bacteria? What does this suggest in terms of our evolution?