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