Unlike Darwin, Lamarck held that evolution was a constant process of striving toward greater complexity and perfection. Even though this belief eventually gave way to Darwin's theory of natural ...

Lamarck's theory cannot account for all the observations made about life on Earth. For instance, his theory implies that all organisms would gradually become complex, and simple organisms disappear.

Melvyn Bragg discusses Jean-Baptiste Lamarck, the 18th century French scientist, and his theory of Natural Selection. Who was he and how far did he pave the way for Darwin? Show more Melvyn Bragg ...

Charles Darwin's theory of evolution generated scientific ... Some of the critics argued, with Jean Baptiste Lamarck, that as creatures used certain body parts in response to a changing ...

In the 19th century, Charles Darwin and Jean Baptiste Lamarck suggested that giraffes evolved long necks to help them snatch leaves on trees. A later theory usurped Darwin and Lamarck's ...

Lamarck’s theory of evolution proposed that acquired traits could be passed on to subsequent generations. Although largely discredited in favor of Darwin’s natural selection, modern ...