BY5.5 Evolution and Selection

Evolution and Selection

• evolution: process by which new species are formed from pre exisiting ones over a period of time

Natural Selection:

• Charles Darwin (1809-1882) employed as a nauralist and memeber of scientific survey
• Darwin's observations of a variation within a population and the tendency for adult populations to be stable in size led to the development of natural selection
• it proposes tat organisms that are better adapted to their environment are more likely to survive and reproduce

• theory is based on the observations:
  • any population has variation
  • …