BIOL 101 1nd Edition Lecture 20 Outline of Last Lecture I Practice Exam II Chapter 8 III Chapter 9 IV Chapter 10 Outline of Current Lecture I Observations II Conclusions III Natural Selection IV Viewpoints Current Lecture How Populations Evolve Class Discussion In 17th 18th century Europe almost everyone believed in Creationism and that the earth was 6 000 years old which was worked out as an estimate by Archbishop James Ussher in 1650 Superfecundity the ability of a species to produce more offspring than the environment can support I Natural Selection NS a k a Descent with modification A Observations by Darwin 1 Species tend to over reproduce 2 Individuals in a population there is variation in a population B Conclusion the varied traits that an individual inherits affects this individual s ability to SURVIVE AND REPRODUCE Individuals whose characteristics best adapt them to their current environment are most likely to be selected survive and reproduce DIFFERENTIAL REPRODUCTIVE SUCCESS These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Traits that are better than others for a particular environment become More common in a population C Natural Selection NS differential reproductive success In other words individuals whose characteristics best adapt them to their CURRENT environment are most likely to survive and reproduce What makes an individual fit for their environment physically suited for their environment ability to find food find suitable mate least visible predator least susceptible for their environments suited to the climate Creationist view god created man in his current state Theistic evolution god helped with evolution Naturalistic evolution no god
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