Naturalists represent the idea that only natural laws (physical laws) are the rules that govern the structure and behavior of the natural universe. This means that everything can be explained in terms of natural causes. Naturalism is the belief that all that exists material matter, that there is no such thing as soul and that individuals have no purpose in life.
Naturalists basically describe the idea or the concept of naturalism which we mean that this is the belief that all the existing material matter, that there is no before-mentioned thing as a soul and that people have no purpose in life. The natural perspective of the biosphere is that the biosphere is what we loosely call nature. All sciences eventually study nature. Natural sciences focus on how species live together, as well as the importance of inanimate objects and patterns.
Genetic variation happens when one organism in the population mates with a genetically different organism. Same species, different genetics such as color or height/weight.
