Evolution is the principal scientific theory that biologists use to understand life and is used in many disciplines, including medicine, psychology, conservation biology, anthropology, forensics, …

Evolution helps us to understand the living world around us, as well as its history. Biological evolution is not simply a matter of change over time.

Feb 6, 2026 · evolution, theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the distinguishable …

Evolution can be defined as the change in the genetic make up of a population over time (or, for short, change over time). It is important to note that the change happens from one generation to the next. …

Although it may seem that living things today stay much the same, that is not the case—evolution is an ongoing process. The theory of evolution is the unifying theory of biology, meaning it is the …

Dec 19, 2017 · Evolution is change over time. Under this broad definition, evolution can refer to a variety of changes that occur over time—the uplifting of mountains, the wandering of riverbeds, or the …

Evolution is the process by which modern organisms have descended from ancient ancestors. Evolution is responsible for both the remarkable similarities we see across all life and the amazing diversity of …

Describe different mechanisms of evolution, including natural selection, genetic drift, gene flow, and mutation. Recognize that new heritable traits result from random mutations.

What is evolution and how does it work? Evolution 101 provides the nuts-and-bolts on the patterns and mechanisms of evolution. You can explore the following sections: How does evolution lead to the …

The theory of evolution is the unifying theory of biology, meaning it is the framework within which biologists ask questions about the living world. Its power is that it provides direction for predictions …