1-JEAN BAPTIST LIAMARCH was the first person to propose the theory of evolution
2-he prepared that the acquired characters are passed to its offspring i.e, to next generation
3-this is known as inheritance of acquired forelimbs in giraffe
4-For example elongation of neck and forelimbs in giraffe
5-even though this theory was disproved,his contributions to biology was appreciable because it changed the belief of the people of olden days that the organisms on the earth have not undergone any change
