Geological Time, Evolution, DNA Crossword

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Across
  1. 2. A human controlled process to produce individuals with certain traits.
  2. 4. Genetic information that make you who you are.
  3. 7. Shape of DNA.
  4. 8. The differences in the tortoises of the Galapagos Islands.
  5. 10. Example of a vestigial structure in a whale.
  6. 13. The main difference between modern and ancient horse was the structure of their _______.
  7. 14. Mascot of the Mesozoic Era.
  8. 16. Evolution cannot be considered a fact because we cannot be 100% certain it occurred. However, we do have a large amount of evidence to support this idea. Therefore, evolution is considered a __________________.
  9. 17. Most fossils are found in ____________ rocks.
  10. 20. The longest Era in geological time.
  11. 22. Mascot of the Precambrian Era.
  12. 23. The adaptation of the finches was based off of what they _____.
  13. 25. Organisms that survive to reproduce will pass on their ______.
  14. 27. Sugar in a DNA Molecule.
  15. 28. Found inside of the DNA molecule, there are four types: Guanine, Cytosine, Adenine, and Thymine.
  16. 30. Mascot of the Paleozoic Era.
  17. 32. Found on the outside of a DNA molecule.
  18. 33. Adaptation of a giraffe.
  19. 36. Change in DNA.
  20. 38. Building block of DNA made up of 1 Deoxyribose, 1 phosphate, and 1 Nitrogen base.
  21. 40. The group of islands that Darwin gathered much of his data from.
  22. 41. Geological Time can be broken into four _________.
  23. 43. _____________ structures that have different structures with similar functions (not closely related)
  24. 44. Structures that organisms possess but no longer have a purpose.
  25. 45. Darwin’s main idea within evolution that says those organisms that are best suited for their environment will survive to reproduce.
  26. 46. Any ancient remain of life.
  27. 47. The organisms that survive according to Darwin’s idea of natural selection.
Down
  1. 1. Scientist believe that modern organisms evolved/descended from ____________ ones. (Look in notes)
  2. 3. Even though we look much different than a chicken or turtle when born, we look extremely similar in _________________________.
  3. 5. The difference in the finches that Darwin observed on the Galapagos Islands.
  4. 6. Example of analogous structures would be a ____________ wing and a ______________ wing.
  5. 9. Structures that organisms have that are built the same, but have different functions to better allow that organisms a chance of survival.
  6. 11. Rule made up by Watson and Crick that says A pairs with T and G pairs with C.
  7. 12. An example of homologous structures are a ______________ arm and ______ wing.
  8. 15. Threadlike structure of DNA and protein that contains genetic information.
  9. 18. The change in organisms over a long period of time.
  10. 19. Example of a Vestigial structure in a human.
  11. 20. Eras can be broken into ___________.
  12. 21. The current Era we are in right now.
  13. 24. Adaptation of a beaver.
  14. 26. Adaptation of a porcupine.
  15. 27. Organisms that are more closely related have more ______ in common.
  16. 29. Earth is approximately 4.5 _________ years old.
  17. 31. The number one instinct of all animals that are suited well enough to survive.
  18. 34. Darwin noticed that organisms were very similar with small differences to better help them fit their __________________.
  19. 35. Two of the main organisms that Darwin observed on the Galapagos.
  20. 37. Any inherited trait that increases an organism’s chance of survival.
  21. 39. Scientist who traveled around the world collecting specimens to help support his idea of evolution.
  22. 42. Mascot of the Cenozoic Era.