Dec 31, 2025 · One example is the evolution of the horse. The horse can be traced to an animal the size of a dog having several toes on each foot and teeth appropriate for browsing; this …

Dec 31, 2025 · From this idea he proposed, in the early years of the 19th century, the first broad theory of evolution. Organisms evolve through eons of time from lower to higher forms, a …

Dec 31, 2025 · To encourage rapid evolutionary change, the populations were manipulated such that the flies experienced intense competition for food and space. Adaptation to the …

Dec 5, 2025 · 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 …

Evolutionary psychology, which emerged in the late 1980s, is a synthesis of developments in several different fields, including ethology, cognitive psychology, evolutionary biology, …

Dec 9, 2025 · Darwinism, theory of the evolutionary mechanism propounded by Charles Darwin as an explanation of organic change. It denotes Darwin’s specific view that evolution is driven …

2 days ago · See the article evolution for a full explanation of evolutionary theory, including its main proponents both before and after Darwin, its arousal of both resistance and acceptance …

Ernst Haeckel was a German zoologist and evolutionist who was a strong proponent of Darwinism and who proposed new notions of the evolutionary descent of human beings.

Dec 2, 2025 · The theory of evolution has been seen by some people as incompatible with religious beliefs, particularly those of Christianity. The first chapters of the biblical book of …

Dec 31, 2025 · Using recovered fossils, paleontologists have reconstructed examples of radical evolutionary transitions in form and function. For example, the lower jaw of reptiles contains …