Who Is Lamarck and Darwin?

Darwin and Lamarck were both scientists who tried to understand evolution. Lamarck's theory of evolution was based around how organisms (e.g. animals, plants) change during their lifetime, and then pass these changes onto their offspring.

What is the difference between Lamarck and Darwin's theory of evolution?

Their theories are different because Lamarck thought that organisms changed out of need and after a change in the environment and Darwin thought organisms changed by chance when they were born and before there was a change in the environment.

Who is Lamarck and what did he do?

He was a soldier, biologist, and academic, and an early proponent of the idea that biological evolution occurred and proceeded in accordance with natural laws. Lamarck fought in the Pomeranian War (1757–62) against Prussia, and was awarded a commission for bravery on the battlefield.