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Unformatted text preview: Name _____Key ____________________ 1 Multiple Choice. Circle the BEST answer for each question (10pts each). 1.) Which of the following are possible sources of error in the JWatcher lab: a.) Lack of specific instructions on how to interpret each behavior in the ethogram b.) When two animals were present in a video, not everyone scored the same individual c.) Only two videos could be scored for each species d.) Two or more of the above are correct e.) None of the above 2.) Which statement below most accurately describes sneaker males in sunfish. a.) Males only develop into studs when the environmental conditions are favorable. b.) Dud males are genetically predetermined and can never develop into studs. c.) Stud males receive greater lifetime reproductive success b/c they attract the most mates. d.) None of the above statements accurately describes the mating system in sunfish. e.) Two or more statements above accurately describe the mating system in sunfish. 3.) Which statement below best explains why female hyenas have pseudo-penises? a.) It is a by-product of selection for hyper aggressive behavior in females. b.) It is an ancestral trait that has yet to be lost because it bears few costs. c.) It is the result of genetic correlation for penises in males. d.) It is an alternative reproductive strategy by females. e.) None of the above are correct statements about female hyenas and pseudo- penises. 4.) Females are more likely to provide parental care because: a.) They provide more initial parental investment. b.) Variation in reproductive success is lower in females compared to males. c.) Females are less likely to be cuckholded. d.) Two or more of the above statements are correct about females and parental care. e.) None of the above are correct about females and parental care. 5.) In the haplodiploid bees, workers are related to each other by more than 50%. However, if one were to measure the actual relatedness of workers in nature, they would find that the relatedness of sister workers actually varies between 50-75%? What could explain this variation? a.) Queens mate multiply with different males. b.) Some workers develop from unfertilized eggs. c.) Sexual recombination. Name _____Key ____________________ 2 d.) Two or more of the above explain the actual relatedness between sisters. e.) None of the above explain the relatedness between sisters. 6.) Which statement is true about monogamy? a.) A males potential reproductive success is greater than that of the females. b.) Monogamous species are usually sexually dimorphic. c.) Males of monogamous species have higher reproductive success on average than do the females due to extra pair copulations....
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This note was uploaded on 12/06/2011 for the course EEB 100 taught by Professor Halpin during the Fall '08 term at UCLA.
- Fall '08