Geological Time, Evolution, DNA Crossword

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