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Evolution Portrait of Charles Lyell, Scottish geologist, c. 1863. Lyell initially accepted the conventional view of other men of science, that the fossil record indicated a directional geohistory in which species went extinct.
Lyell's own fundamental commitment was to a steady-state, anti-developmental conception of earth-history, and that Lyell understood this commitment to have been logically entailed by his conviction that the causes that have shaped the organic and inorganic worlds differed neither in type nor intensity from causes now acting.
- Michael Bartholomew
- 1973
Nineteenth century geologist Charles Lyell popularized Hutton's view. A friend to Darwin. Lyell’s ideas were influential on Darwin’s thinking: Lyell’s notion of the greater age of Earth gave more time for gradual change in species, and the process of change provided an analogy for this change.
Aug 24, 2022 · During the nineteenth century, Hutton’s views were popularized by the geologist Charles Lyell, who was a friend of Charles Darwin. Lyell’s ideas, in turn, influenced Darwin’s concept of evolution. The greater age of the earth proposed by Lyell supported the gradual evolution that Darwin proposed, and the slow process of geological change ...
18.1: Understanding Evolution. Page ID. OpenStax. Skills to Develop. Describe how the present-day theory of evolution was developed. Define adaptation. Explain convergent and divergent evolution. Describe homologous and vestigial structures. Discuss misconceptions about the theory of evolution.
Lamarckism, a theory of evolution based on the principle that physical changes in organisms during their lifetime—such as greater development of an organ or a part through increased use—could be transmitted to their offspring.
I use ‘theory’ in the definite sense of a set of hypothetical statements such that deductions can be made and compared with data, facts, or generalizations obtained in some other way than as derivation from theory.
