The Theory of Evolution

A beach in Galapagos

The animals on the islands of Galapagos inspired the theory of evolution

Scientists believe that species change over time based on changes to physical and behavioral traits that are inherited. This is called the theory of evolution, and it is the most widely-accepted theory of biological diversity. In this topic, you will learn the basics of the theory of evolution, including how it came to be a theory. In addition, you will examine the different types of evidence that the scientific community utilizes to support this theory. Evolution, the foundation of modern biology, is a complex topic, but holds the key to life on Earth.

Essential Questions

  • Who were some contributors to the theory of evolution?
  • What is the evidence that supports the theory of evolution?
  • What are the mechanisms of evolution?