biology

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Across
  1. 2. The fishlike shape of whales is not evidence that whales evolved from what?
  2. 8. The remains or imprint of a once-living organism found in layers of rock?
  3. 9. Over time, animals may change behavior or physical appearance in response to environmental changes.
  4. 11. Has a trunk
  5. 12. Man's best friend
  6. 14. What caused the speciation of the finches Darwin observed?
  7. 15. Minerals seeping into an organism’s remains forms what?
  8. 16. The fact that an organism’s offspring are not identical is known as?
  9. 17. A spider may produce hundreds of eggs, only a few of which may survive. This is an example of?
  10. 18. The process consisting of separation, adaptation, and division is what?
  11. 22. Name the two scientists that conceived of the mechanisms for evolution?
  12. 23. Who published a book referred to as inheritance of acquired characteristics?
  13. 25. Physical separation can cause what to occur?
  14. 26. Large marsupial
  15. 27. Dog owners breeding their pets to produce friendlier offspring is an example of?
  16. 28. What does the theory of evolution not try to explain?
  17. 29. What are the two main sources of genetic diversity?
  18. 31. Where did Darwin notice the different adaptations of the finches?
  19. 33. What process often begins by a portion of a population becoming physically or geographically isolated?
  20. 34. Give an example of convergent evolution?
  21. 35. Name the two types of speciation?
Down
  1. 1. Name the four evolutionary forces?
  2. 3. Many insects can adapt very quickly to insecticides because?
  3. 4. What is the process by which individuals that are better adapted to their environment survive and reproduce more successfully than others called?
  4. 5. What process would farmer use to produce vegetables that will grow in a specific climate?
  5. 6. How are fossils placed in the fossil record?
  6. 7. Similar DNA and similar traits are two signs that different species may have what?
  7. 10. Give an example of a vestigial structure?
  8. 13. What shows that ancient mammals gave rise to modern whales?
  9. 19. Starvation, disease, competition, and predation limit what?
  10. 20. A specific characteristic that can be passed from parent to offspring is called a?
  11. 21. Likes to chase mice
  12. 24. The greater the similarity of DNA and traits in species then what does that say about them?
  13. 30. Flying mammal
  14. 32. What did Darwin not understand about ht process of evolution?