Oct 25, 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 …

The scientific theory of evolution by natural selection was conceived independently by two British naturalists, Charles Darwin and Alfred Russel Wallace, in the mid-19th century as an …

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.

Oct 19, 2023 · Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection. In the theory of natural …

Evolution is a process of continuous branching and diversification from common trunks. This pattern of irreversible separation gives life's history its basic directionality.

Apr 28, 2025 · Evolution explains how microscopic single-celled organisms eventually gave rise to the vibrant explosion of life we see today. It tells us how species adapt, survive, diverge, and …

Mar 26, 2024 · Evolution is one of the fundamental concepts in biology, describing the process by which organisms change over time through variations in their genetic material. This process …

Evolution is a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing environments and can result in...

In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.

Evolution is the process by which the characteristics of a population change over time. It also gives rise to new species.