Mechanism of evolution

Lamarck theorized that the use or disuse of certain body parts by animals could lead to the development of these parts and potentially be inherited by offspring, contributing to evolutionary changes.
 Jean-Baptiste Lamarck France 1809 Mechanism of evolution

Lamarck theorized that the use or disuse of certain body parts by animals could lead to the development of these parts and potentially be inherited by offspring, contributing to evolutionary changes.