Darwin And Lamarck Similarities

Darwin and Lamarck both had theories on the same topic but they are very different in certain aspects. They both thought that species evolved over time it is just how they evolved that differs. Lamarck’s theory of evolution states the law of use and disuse. With this law if an organ is constantly used it becomes larger, stronger and more developed and one that is not used eventually disappears. his theory states that new needs or desires generate new structures and change the old habits of the organism. Lamarck’s theory also states that all acquired characteristics are passed down to the next generation.

Darwin’s theory of natural selection is based on survival of the fittest where individuals competed for the resources. The theory states