There have been many theories explaining evolution. Two of the most well known of these are the Lamarckian theory, which was mostly believed before the Darwinian theory, which is the theory which is believed to have the highest probability of it being the case. <Tab/>In Lamarck's theory of evolution, he stated that an organism was able to pass on required traits to their offspring. This theory is commonly shown through …showed first 75 words of 597 total…

…showed last 75 words of 597 total…legs would be passed on to the next generations. <Tab/>These theories have been widely believed to be the explanation for the varying species of animals on the earth. It is well known now that the Lamarckian theory is not possible, and therefore the Darwinian theory is the explanation that is believed to be the means of evolution. This, however has not yet been proven, however the probability is very great.