According to Lamarck's view of evolution,
- There present an internal vital force in all organism
- According to need of organism, or environmental condition
organism develop new structure and the structure can be degenerated
if not continously used.
- All acquired traits are transferred into next generation .
- Lamarck doesnot believe in the survival of fittest and struggle
for existence.
Darwin's view of evolution
- He doesnot believe in presence of an internal force in an
organism.
- A new structure will develop only due to continous
variation.
- Only useful and some traits are inherited to next
geneartion.
- He believed in the concept of survival of fittest and struggle
for existence.