Lamarck suggested that an organism could pass on an acquired trait to its offspring, the giraffe's long neck supposedly having been created by generations of giraffes stretching to reach the leaves of higher treetops.
An organism could pass on an acquired trait to its offspring. Lamarck suggested this. Its offspring was the giraffe's long neck supposedly having been created by generations of giraffes. These giraffes were stretching to reach the leaves of higher treetops.