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Standardized Test Prep

This standardized test prep preview explores the concept of genetic biodiversity, including its definition, the role of keystone species, factors that contribute to species endangerment, and the importance of international cooperation. It also discusses the changes in marine biodiversity over time and highlights the significance of biodiversity preservation.

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Standardized Test Prep

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  1. Standardized Test Prep Preview • Multiple Choice

  2. Multiple Choice 1. Which of the following phrases describes the term genetic biodiversity? A. the variety of habitats found in an ecosystem B. the variety of species present in an ecosystem C. the differences between populations of species D. the different genes contained within members of a population

  3. Multiple Choice 1. Which of the following phrases describes the term genetic biodiversity? A. the variety of habitats found in an ecosystem B. the variety of species present in an ecosystem C. the differences between populations of species D. the different genes contained within members of a population

  4. Multiple Choice, continued 2. What species are critical to the survival of an ecosystem? F. bottleneck species G. endemic species H. exotic species I. keystone species

  5. Multiple Choice, continued 2. What species are critical to the survival of an ecosystem? F. bottleneck species G. endemic species H. exotic species I. keystone species

  6. Multiple Choice, continued 3. Which of the following describes a species that is likely to become endangered? A. insects that have to adapt to an urban environment B. small mammals that live in urban ecosystems C. birds that can only survive in rural ecosystems D. mammals that need an undeveloped habitat to breed successfully

  7. Multiple Choice, continued 3. Which of the following describes a species that is likely to become endangered? A. insects that have to adapt to an urban environment B. small mammals that live in urban ecosystems C. birds that can only survive in rural ecosystems D. mammals that need an undeveloped habitat to breed successfully

  8. Multiple Choice, continued 4. Why is international cooperation crucial to securing future biodiversity? F. Wildlife protection laws vary from country to country. G. Poaching is the most important reason for a species population decline. H. Habitat destruction and other causes of extinction cross international borders. I. Protecting species sometimes conflicts with the interests of human populations.

  9. Multiple Choice, continued 4. Why is international cooperation crucial to securing future biodiversity? F. Wildlife protection laws vary from country to country. G. Poaching is the most important reason for a species population decline. H. Habitat destruction and other causes of extinction cross international borders. I. Protecting species sometimes conflicts with the interests of human populations.

  10. Multiple Choice, continued Use this map to answer questions 5 and 6.

  11. Multiple Choice, continued 5. How has the biodiversity of marine families changed over the last 500 million years? A. It has increased. B. It has decreased slightly. C. It has remained the same. D. It has decreased significantly.

  12. Multiple Choice, continued 5. How has the biodiversity of marine families changed over the last 500 million years? A. It has increased. B. It has decreased slightly. C. It has remained the same. D. It has decreased significantly.

  13. Multiple Choice, continued 6. What is the average number of families of marine organisms lost in a major extinction event? F. 25 G. 75 H. 100 I. 150

  14. Multiple Choice, continued 6. What is the average number of families of marine organisms lost in a major extinction event? F. 25 G. 75 H. 100 I. 150

  15. Multiple Choice, continued 7. If 90 families were lost in an extinction event that lasted 10 million years, and each family contained 200 species, how many species were lost every 100,000 years during that period? A. 90 B. 180 C. 200 D. 360

  16. Multiple Choice, continued 7. If 90 families were lost in an extinction event that lasted 10 million years, and each family contained 200 species, how many species were lost every 100,000 years during that period? A. 90 B. 180 C. 200 D. 360

  17. Multiple Choice, continued 8. What do we know about the number of individual species currently living on Earth? F. There are no new species being found. G. All the species that exist on Earth have been cataloged. H. About 1.7 million species are known to exist. I. There are more trees and mammals than there are insects.

  18. Multiple Choice, continued 8. What do we know about the number of individual species currently living on Earth? F. There are no new species being found. G. All the species that exist on Earth have been cataloged. H. About 1.9 million species are known to exist. I. There are more trees and mammals than there are insects.

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