Did you know some snakes still have tiny feet from 150 million years ago in their past? Their ancient ancestor was a burrowing lizard. A Vestigial structure is “A part of organism’s anatomy that has lost all of, or most of, its original function in the course of evolution.”
By studying these functionless structures, we can find clues that give us insight into an animal’s history. What are these vestigial structures used for in related animals? What change in environment or behavior happened to these animal’s ancient ancestors?
I will give 6 Vestigial structures examples in Animals. Why do kiwi birds have wings if they can not fly? The remnants of wings are proof of evolution. Enjoy drawings and HD videos while listening to the English narration. Welcome to Animal Science TV: Vestigial Structures 101!