The breakthrough reignites the 19th-century rivalry between French naturalist Jean-Baptiste Lamarck – whose “giraffe theory” proposed that organisms can pass on learned survival traits ...

In contrast, Jean-Baptiste Lamarck proposed a theory of inheritance of acquired characteristics in his work Philosophie Zoologique, suggesting that organisms could pass on traits acquired during ...

Evolution is the way groups of life-forms change over time to better fit the places they live.It is why life takes "such ...

My InsiderWhat that driver was, however, has been the subject of a 150-year-long debate among evolutionary biologists. In the 19th century, Charles Darwin and Jean Baptiste Lamarck suggested that ...

In the 19th century, biologists Charles Darwin and Jean Baptiste Lamarck both speculated that giraffes’ long necks helped them reach acacia leaves high up in the trees, though they likely weren ...

In the 19th century, biologists Charles Darwin and Jean Baptiste Lamarck both speculated that giraffes’ long necks helped them , though they likely weren’t observing actual giraffe behavior ...

In their classic theories of evolution, both Jean Baptiste Lamarck and Charles Darwin suggested that giraffes' long necks evolved to help them reach leaves high up in a tree, avoiding competition ...

For better and worse, two 18th-century scientists shaped how we see nature ‘Every Living Thing,’ by Jason Roberts, explains and evaluates the work of the biologists Carl Linnaeus and Comte de ...

Naturalists Georges Cuvier and Jean-Baptiste Lamarck, colleagues at the French Museum of Natural History, represented the two sides of the debate.

Biography and career of Jean Baptiste de Lamarck Jean-Baptiste de Lamarck was a famous 18th-century French naturalist known for his major contributions to biology and evolution. Born on August 1, 1744 ...