Chapter 13 Guided Reading 1 Read pages 256 262 1 What does the theory of evolution say about species living on earth today 2 Aristotle s belief that all living species were perfect and permanent was reinforced by Judeo Christian culture and prevailed for many years How did the study of fossils in the mid 1700 s begin to change the way that the species was viewed 3 How did the fossils that Darwin found on the South American continent compare to fossils that he had found on other continents around the world To the living species of South America 4 What are adaptations 5 Crop plants pets and livestock bear little resemblance to their wild ancestors Are these plants and animals an example of natural selection Why or why not 6 Why did Darwin postulate that individuals whose traits better enable them to obtain food and escape predation would reproduce more successfully 7 Compare and contrast artificial and natural selection 8 Who evolves individuals or populations Why 9 Is evolution goal oriented 10 Evolution can take hundreds to thousands of years However evolution can also occur over the course of a much shorter period of time When this happens scientists can observe natural selection in action Give an example of a time when scientists have observed natural selection in action 11 The fossil record is incomplete Why 12 In your own words explain homologous structures 13 How do vestigial structures provide support for evolution 14 How is molecular biology used to study the similarity between different species
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