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Exam2V1 - ECOL182R INTRODUCTORY BIOLOGY John PEPPER/Kevin...

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1 ECOL182R INTRODUCTORY BIOLOGY John PEPPER/Kevin BONINE/Peter CHESSON MIDTERM TWO 13 March 2008 STUDENT NAME:_______________________________________________________ Please Print: Last Name First Name USE A NUMBER TWO PENCIL, NO PEN! PLEASE CHOOSE THE ONE BEST ANSWER. 1. Which of these is NOT a fundamental principle of how science works? a. Occam’s razor b. parsimony c. experimentation d. falsifiability e. reflecting the opinion of the majority 2. Organisms are not perfectly adapted to their environment because a. they all share a common ancestor from a different planet b. environments can change faster than species’ ability to adapt c. we can prove there is no intelligent designer d. environments never change, but organisms do 3. Which of these would falsify evolutionary theory? e . discovery of a letter written by Charles Darwin indicating that he made it all up 4. According to the theory of evolution by natural selection, genes mutate, ___________ are selected, and _____________ evolve. 5. Most mutations are e . duplications 6. The neutral theory of evolution was proposed by Kimura in the 1960s to explain a. why so many species can coexist b. why new species can exist alongside species that evolved earlier c. why prokaryotes have circular chromosomes d. the high number of substitutions and polymorphisms in the genome e . why sex ratios are typically equal in eukaryotes
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