Review Chapters 14 and 15

1. Review Chapters 14 and 15 Evolution

2. Which answer best shows an animal's adaptation to the tropical rain forest? • An elephant’s long trunk • The long neck of a giraffe • Camouflage in a tree frog Answer Now

3. A population diverges and becomes reproductively isolated. Which of the following is the best description this process? • Postzygotic isolation • Sexual selection • Speciation Answer Now

4. A change in a sequence of DNA is called a • Polygenic trait • Recombination • Mutation Answer Now

5. The separation of populations by barriers such as rivers, mountains, or bodies of water is called • Temporal isolation • Geographic isolation • Temporal isolation Answer Now

6. Most fossils form in • Volcanic rock • The sap of ancient trees • Sedimentary rock Answer Now

7. Due to __________, both ends have higher fitness than the middle. • Disruptive selection • Sexual selection • Directional selection Answer Now

8. What types of structures develop from similar tissues in early developmental stages of the organism, but meet different needs in the adult? • Convergent structures • Analogous structures • Homologous structures Answer Now

9. Examples of fossils include preserved • Eggs • Footprints • Body parts • All of the above Answer Now

10. Which of the following is the best explanation of why bird wings and reptile forelegs are evidence of evolution? • Homologous structures indicate a common ancestor • Vestigial structures indicate a common ancestor • Similar functions indicate a common ancestor Answer Now

11. Darwin’s theory of evolution suggests that • Extinct species are not related to living species • Different species can interbreed • Species change over time Answer Now

12. Convergent evolution is the process that produces • species that are similar in appearance and behavior, but not closely related. • closely related species that are different in appearance and behavior. • species that are different in appearance and behavior, and are unrelated Answer Now

13. What should the half-life of the isotope used to date the age of Earth at 4.6 billion years be? • 1 billion years • 100,000 years • 5730 years Answer Now

14. Which term best describes the following structures? • Vestigial structures • Analogous structures • Homologous structures Answer Now

15. Genetic drift tends to more strongly affect populations that • Have unchanging allele frequencies • Are small • Are very large Answer Now

16. Structures that are similar in appearance and function, but differ anatomically are said to be • Analogous structures • Vestigial structures • Homologous structures Answer Now

17. Homologous structures are a sign of • Adaptive Radiation • Directional Selection • Convergent Evolution Answer Now

18. The human appendix and the leg bones of a snake are examples of which type of structure? • Homologous structures • Vestigial structures • Convergent structures Answer Now

19. Which of the following is a correct statement about the relationship between natural selection and evolution? • Natural selection is one mechanism (way) of how evolution works • Natural selection and evolution are the same thing • Natural selection results from evolution Answer Now

20. Which of these is evidence for the endosymbiont theory? • Mitochondria and chloroplasts both transform energy from one form to another • Mitochondria and chloroplasts contain their own circular DNA • Mitochondria and chloroplasts cannot live on their own outside a cell Answer Now

21. Do you need to study more for the test tomorrow? • Yes • No Answer Now