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 …

2025年9月8日 · 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 …

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.

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

2023年10月19日 · 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 …

2025年4月5日 · In the world of science, few ideas have had as profound an impact on human understanding as Charles Darwin’s theory of evolution by natural selection. In the years since …

2025年8月31日 · Evolution is the scientific theory that explains how life on Earth has changed over time through processes such as natural selection, genetic drift, mutation, and gene flow. …

The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day.

2022年9月15日 · Floral morphological variation has long shaped our understanding of evolution, with most studies focusing on how structural changes facilitate pollinator interactions.

2025年4月7日 · Evolution is one of the most profound and fascinating concepts in the world of science. It is the process by which species change over time, adapting to their environment …