BIO SCI 1A Lecture Notes - Lecture 1: Carl Linnaeus, Positive Feedback, Thomas Robert Malthus
Document Summary
Works on traits that influence reproductive success (fitness) Those with higher reproductive success are the most adapted. 45% of adults believe god created human beings in present form within the past 10,000 years. 37% believe that there is room for both god and evolution. 12% believe humans evolved from other living beings. 88% reject the idea of descent with modification, unless a supreme deity is in the picture. Where the theory of evolution creates problems for christians. According to the bible, the earth is very young. Created in 6 days, and rested on the 7th. The earth is approximately 4. 6 billion years old. Meteors or cosmic dust carried life to earth. A change in the genetic characteristics of a population. Genetic drift the change in the frequency of a gene variant (allele) in a population due to random sampling of organisms. 4 things that led darwin to natural selection. Most populations maintain stable sizes for long periods of time.