He didn't. Lamark's theory of acquired characteristics preceded Darwin's theory by some years. Almost 50 years.
Darwin's. Duh. Lamarck believed in evolution by acquired traits; i.e., if a blacksmith hammers all day, his arm becomes strong. By Lamarck's theory, the blacksmith's strength would be transferred to his offspring, but this is never observed.
adaptation
The public, due mostly to religious reasons, was not ready for any transmutational theory and Lamarck's theory had no evidence to support it thus scientists of the time did not pay it much attention. Also Cuvier was Lamarck's enemy and denigrated the theory Lamarck developed.
Lamarck
which is not part of darwins theory of natural selction
Lamarck's hypotheses were published in Zoological Philosophical Work written in 1809.
A guy who had a debate about Darwins theory
Charles Darwins theory is wrong to religon as it is very clear god created the world. and theories like Darwins are wrong.
Lamarck's theory is based on acquired characteristics. In other words if you break your arm your future children will be born with broken arms.
Darwins theory of evolution :)
Darwins theory of evolution
because of religion