Because all of biology is connected, one can often make a breakthrough with an organism that exaggerates a particular phenomenon, and later explore the generality.
“The election in Iraq clearly demonstrates that Iraqi people are like people everywhere. They desire to create a future in an environment that is safe and allows them to reach their full potential as human beings, whatever that potential may be.”
“I pay about a third in taxes, I give away about a third, and I follow the law.”