What is the name of the process by which evolution occurs?

Look at the photo of the leaf. which term best describes this leaf?

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

What molecules does hemoglobin decay into over time