BIOL 101 Guided Reading Questions GRQs Complete and submit this GRQ as a PDF before lecture and before your online Mastering Assignment L21 GRQs How Populations Evolve Ia Reading Objectives Explain why evolution is considered a theory Explain the conditions that must be met for evolution to NOT occur Explain microevolution and how it s measured and how allele frequencies in a population are affected by microevolutionary forces Module 13 1 A sea voyage helped Darwin frame his theory of evolution 1 Prior to Darwin s trip around the world what did religious scholars believe about Earth and the living species on it 2 Did Darwin find as he traveled the world that species resembled each other more closely if they were geographically located near each other or of the two species lived in similar environments possibly very far apart What is an example of this 3 What did Darwin learn about geology 4 Darwin called evolution descent with and unlike others who had thought of ideas similar to this he proposed a scientific mechanism for this worked What did he propose Module 13 3 Fossils of transitional forms support Darwin s theory of evolution 1 Darwin suggested that whales evolved from terrestrial land living mammals but he did not have evidence Explain the evidence we have today that could answer this question 2 Was he right 3 How is structure function related to evolution Specifically Figure 13 3 gives a good example you can describe Module 13 4 Homologies provide strong evidence for evolution 1 Fossils provide evidence for evolution but so do homologies Explain what homologies are and how they provide more evidence for shared ancestry 2 How does homology in molecular biology support Darwin s idea that all life forms are related BIOL 101 Guided Reading Questions GRQs Complete and submit this GRQ as a PDF before lecture and before your online Mastering Assignment 3 What are vestigial structures and vestigial genes Module 13 5 Homolgies indicate patterns of descent that can be shown on an evolutionary tree 1 Look at Figure 13 5 which animal groups all have the shared characteristic of the amnion 2 What is the most common ancestor for hawks and lizards Modules 13 6 13 7 Darwin proposed natural selection as the mechanism of evolution Scientists can observe natural selection in action 1 What is artificial selection 2 What are the 3 KEY points emphasized about evolution by natural selection A B C 3 What happens to a population of insects maybe cockroaches in a large apartment building over time if the same pesticide is repeatedly applied for years and years Explain your answer 4 TRUE or FALSE Pesticide sprayed over and over causes some bugs to acquire a mutation in a gene that makes them resistant to the chemical Justify your answer 5 Some bugs in the population may be resistant to pesticide even if there is no pesticide being sprayed Module 13 8 Mutation and sexual reproduction produce the genetic variation that makes evolution possible 1 What creates new alleles in a population 2 What shuffles alleles already exiting in a population 3 TRUE or FALSE Resistance to the pesticide DDT is always a good thing for the mosquito carrying it Justify your answer BIOL 101 Guided Reading Questions GRQs Complete and submit this GRQ as a PDF before lecture and before your online Mastering Assignment Module 13 9 Evolution occurs within populations 1 Can an individual organism evolve Can a population evolve 2 What is a common misconception about individuals and evolution Explain your answers 3 Define microevolution 4 We know microevolution is occurring if we see what changing over many generations
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