Question

What is Lamarchism ? ​

Answer 1

Answer:

The theory of the origin of species advanced by the French naturalist

and is lamarckism

Answer 2

Lamarckism is a theory of evolution of life forms, given by French Naturalist Lamarck, which states that the evolution of life forms was driven by the “Use and Disuse” of Organs.
For Eg, Giraffes in an attempt to forage (eat) leaves on tall trees had to adapt by elongation of their necks.
However, This theory is not vaild.
Please refer NCERT XII Pg 135.