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Name _________________________ Date ______________ Period _________ Evolution Test Review 1. Where is the best place to search for fossils? 2. What did Darwin call the combination of physical traits and behaviors that help an organism survive and reproduce? 3. In a rock column, the fossils in the upper layers must be the (oldest, youngest) 4. The long slow process of change in species over time is _________________ 5. According to Darwin, any inherited characteristic that increases an organism’s fitness for survival is a(n) ___________________ 6. Scientists who specialize in the study of fossils are ______________________ 7. What is absolute dating? Relative dating? 8. The wings of a bat and the front legs of a dog are examples of what kind of structures? 9. In humans, muscles that move the ears are ____________________ structures. 10. The presence of 4 tiny leg bones in pythons and boa constrictors (snakes) is evidence that snakes evolved from ancestors with ___________________ 11. According to Darwin, the long neck and legs of the giraffe are _______________ 12. How did Lyell, Malthus, Farmers and Breeders, and Lamark influence Darwin’s concept of evolution? 13. Darwin’s finches are an excellent example of a. speciation b. genetic recombination c. artificial selection d. convergent evolution 14. A new species usually cannot form without ____________ isolation. 15. Examples of analogous structures are 16. The first person to bring the concept of evolution to the attention of scientists was __________________ 17. Lyell’s work affected Darwin’s thinking by presenting new information about Page 1 of 4 Name _________________________ Date ______________ Period _________ Evolution Test Review 18. A group of similar-looking organisms that breed with each other and produce fertile offspring make up are called a(n) 19. According to Darwinian theory, evolution occurs by ____________ selection. 20. Related organisms became less alike by a. fitness b. adaptation c. convergent evolution d. divergent evolution 21. The rock pocket mice are a classic example of 22. A species will have the best chance of survival if it a. destroys its niche b. occupies an empty niche c. leaves its niche d. shares its niche 23. The success of an organism has in passing on its genes is called ________________ 24. Since the number of humps on a camel does not seem to affect its survival, the evolution of humps probably resulted from 25. Scientists believe that all of the species ever alive on Earth, more than _____% are now extinct. 26. Darwin argued that if you look far enough back in time, you will see that all species have a __________________ ancestor. 27. A species has the best chance of survival if it occupies an empty _____________. Page 2 of 4 Name _________________________ Date ______________ Period _________ Evolution Test Review 28. The book in which Darwin explained his concept of evolution is ________________________________________. 29. The time required for half the radioactive atoms in a sample to decay is its _____________________________________. 30. The human appendix is an example of a(n) _______________________________________. 31. Scientists can determine the age of fossils quite accurately by _____________________dating. 32. Most geologists agree that the Earth is about _________________years old. 33. Scientists who specialize in the study of fossils are ____________________________. 34. Body parts of humans, birds, and whales that are similar in structure are ________________________________________. 35. Scientists determine the age of fossils in relation to fossils in different rock layers by _____________________________dating. 36. Wings of a bird, bat, and butterfly are examples of ______________________________________ . 37. The imprints and remains of organisms that lived in the past are ___________________________. 38. Discuss how Lamarck, Lyell, and Malthus influenced Darwin’s theory of evolution. Page 3 of 4 Name _________________________ Date ______________ Period _________ Evolution Test Review 39. How did the practices of farmers (and breeders) influence Darwin’s theory of evolution? 40. The ability to taste PTC is due to a single dominate allele "T". You sampled 362 individuals in biology, and determined that 276 could detect the bitter taste of PTC and 86 could not. Calculate (a) The percent of dominant alleles in the population: (b) The percent of recessive alleles in the population: The percent of individuals that are (c) Homozygous dominant: (d) Heterozygous: (e) Homozygous recessive: (f) The number of individuals in the population that are homozygous dominant: Page 4 of 4