Chapter 46 Questions

Chapter 46 Questions - Ch 46 Multiple Choice Identify the...

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Ch 46 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. What do budding and fragmentation have in common? a. Both are types of asexual reproduction. b. Both produce large numbers of offspring. c. Both occur in sea stars. d. Both involve meiosis. e. A and B only ____ 2. Asexual reproduction in animals might involve a. fission and budding. b. fragmentation and mitosis. c. regeneration. d. A and B only e. A, B, and C ____ 3. Which of the following are possible advantages of asexual reproduction? a. It allows the species to endure periods of fluctuating or unstable environmental conditions. b. It enhances genetic variability in the species. c. It enables the species to colonize new regions rapidly. d. Both A and B are true. e. A, B, and C are true. ____ 4. Why do genetic mutations in asexually reproducing organisms lead to more evolutionary change than do genetic mutations in sexually reproducing ones? a. The haploid mutations of asexually reproducing organisms are passed to all of their offspring. b. Asexually reproducing organisms devote more time and energy to the process of reproduction. c. Sexually reproducing organisms can produce more offspring in a given time. d. More genetic variation is present in organisms that reproduce asexually. e. Asexually reproducing organisms have more dominant genes than organisms that reproduce sexually. ____ 5. What are the advantages of asexual reproduction? a. It promotes genetic stability. b. It enhances the survival rates of parents. c. The limited number of offspring prevents overpopulation. d. It promotes geographic distribution of species. e. It allows animals to replace lost appendages. ____ 6. Which of the following is a form of sexual reproduction? a. fragmentation b. budding c. hermaphroditism d. parthenogenesis e. fission ____ 7. You observe an organism with the following characteristics: parthenogenetic reproduction, internal development of embryos, presence of an amnion, lack of parental care of young. Of the following, the organism is probably a(n) a. earthworm.
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b. lizard. c. bird. d. frog. e. mammal. ____ 8. Why is sexual reproduction important? a. It allows animals to conserve resources and reproduce only during optimal conditions. b. The resulting diverse phenotypes may enhance survival of a population in a changing environment. c. It can result in numerous offspring in a short amount of time. d. It enables isolated animals to colonize a habitat rapidly. e. Both A and D are important. ____ 9. Which of the following is not required for internal fertilization? a. copulatory organ b. sperm receptacle c. behavioral interaction d. internal development of the embryo e. All of the above are necessary for internal fertilization. ____ 10.
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This note was uploaded on 11/05/2010 for the course ACT 101 taught by Professor Jenkins during the Spring '10 term at Alabama State University.

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Chapter 46 Questions - Ch 46 Multiple Choice Identify the...

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