Answer:
Lamarck's hypothesis of evolution was based on the theory of 'Inheritance of acquired character'.
Step-by-step explanation:
Lamarck was french biologist and explained evolution on the basis of the theory of inheritance of acquired character.
According to Lamarck, organism can pass down the their characters to their offspring that have acquired through the environment by the use and disuse of an organ. Lamarck believe that the organism may acquire a character by the use and disuse of a particular organ. The acquired trait may pass down to the next generation through reproduction. The transmission of characters increases the organism's complexity.