Answer:
Charles Darwin
Explanation:
<em>Charles Darwin, a nineteenth-century biologist, studied the notion of natural selection. Natural selection shows how hereditary features of a species can change and evolve. This may result in speciation, the development of a separate new species.</em>
Our living species migrated to the “environment”, established in the area, and then it will increase by number. After that we have competition and co-action resulting in the survival of fit individuals and the elimination of unfit individuals from the ecosystem.
Answer: biology
Explanation: they didn't Know about science
joints form our musculoskeletal system which lets muscles move
