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Download Chapter 5 Evolution Study Guide [2/23/2017]
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Transcript
Chapter 5 Study Guide Evolution 7th Grade Science JUNIOR BIOLOGIST_____________________________________PERIOD__________ 1. What are 2 signs that different species may have a common ancestor? 2. Give some examples of natural selection? 3. Who was Charles Darwin? 4. What is the process consisting of separation, adaptation, and division known as? 5. Why can many insects adapt very quickly to insecticides? 6. What is the process by which populations slowly change over time called? 7. What process often begins by a portion of a population becoming physically or geographically separated? 8. When certain genes make organisms more likely to survive and reproduce, which process can occur? 9. Scientists compare organisms’ DNA to support the theory that all species share a common ________________________. 10. What is natural selection? 11. What is a characteristic that improves an organism’s ability to survive called? Chapter 5 Study Guide Evolution 7th Grade Science 12. Darwin’s theory that individuals having an advantage due to their traits or abilities will be more likely to survive and reproduce. His theory is known as ___________________________________________________________________. 13. What are trace remains of organisms called? 14. What does speciation create? 15. What can two different species have in common? 16. What did Charles Darwin help to explain? 17. What helped Darwin create his theory of evolution? 18. What helps an organism survive its environment? 19. What is a trait? 20. Give examples of Natural Selection. 21. What is it called when part of the population moves away from the rest? 22. What is it called when separated groups of a population cannot mate with each other? 23. After visiting the Galapagos Islands, why did Darwin wait to publish his ideas on evolution and natural selection? Chapter 5 Study Guide Evolution 7th Grade Science 24. Over the years, the excessive use of antibiotics has resulted in the development of what scientists call “super bacteria”. These super bacteria are resistant to antibiotics. This is an example of ________________ in action. 25. Which features gives evidence that whales possibly inherited from a four-legged ancestor? VOCABULARY – DEFINE THE FOLLOWING WORDS: ADAPTATION: FOSSIL: FOSSIL RECORD: SPECIES: EVOLUTION: TREE OF LIFE:
