Every living thing on earth has feet

Even the thumb itself is an adaptation formed through the process of natural selection. The evolution that we have described is referred to as microevolution, because it refers to a small change.However, this form of evolution may eventually lead to macroevolution, or speciation. Every organism on the planet shares
ancestry with a single common ancestor. All living organisms on the planet are connected back in time through the process of evolution. Take a look at your own hand. It's an engineering masterpiece that was created by the five processes I just described,