For many years evolution has been a theory accepted by many people all over the world. Evolution is the cause of diversity in all of the organisms on Earth. Evolution happens when a trait of a species changes causing many differences in organisms over time. These changes affect not only appearance but there adaptations to their environment. One of the leading researchers and theorists in the field if evolution is Charles Darwin. Darwin, being a supporter of natural selection, a theory that states: over time organisms will evolve and gain characteristics to help them survive and reproduce.
Darwin first developed the theory of natural selection when he went on a five year tour on an expedition to chart coast lines all over the world. During this voyage Darwin noticed that there was diversity in the multiple habitats that he was seeing. He charted and studied these "noticings" so he could explain exactly what was happening in these locations. Eventually, he drew his conclusions and developed the theory of natural selection.
Jean- Baptiste Pierre Antoin de Monet, Chevalair de Lamarck was originally in the military, but got discharged after suffering an injury to the leg. Resulting from his exit of the military, Lamarck began studying medicine and botony. Lamarck then developed the theory of inheritance of acquired characteristics. This theory basically means that body parts that are essential to survival grow bigger and stronger, while the body parts that aren't grow smaller and weaker until they aren't there anymore.
Now, both Darwin and Lamarck studied both sides of evolution, micro-evolution and macro- evolution. Micro- evolution is a change in the population over time there are four different traits that effect micro- evolution, these traits are: Mutation, selection gene flow, and genetic drift. Macro- evolution is a more obvious form of evolution. It is considered macro-evolution when there is an abrupt change in the evolution of a species.
