Geological Time, Evolution, DNA Crossword

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