Lamarckism is the theory unites the
law of and disuse with the of
the transmission of
characteristics, i.e., that asserted
acquired characteristics, for example,
muscular mass, could be
from a parent to
offspring.

The theory was by the French
naturalist in the beginning of
19th century. At that the idea
was not absurd since nobody knew
the transmission of hereditary
occurred. (Lamarck had
great in introducing an
evolutionary based in natural law
a time dominated by .)