What are some examples of vestigial structures in humans? What would be an example of a vestigial structure in another living thing?

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."

In the practice of science, this type of reasoning is used to develop explanations.

What are the proteins in connectivity tissues of your foot examples of?