Evolution: Natural

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Across
  1. 3. The study of functions and mechanisms in a living system
  2. 5. When you feel tense you have ______
  3. 6. In a pedigree the family under are the second ______
  4. 9. Facial ______
  5. 11. Two capitalized letters are the ______ gene
  6. 14. When an animal gets used to the environment
  7. 15. When the predator, kills and eats another organism,
  8. 17. A Naturalist
  9. 18. When mother nature picks a fit animal for the environment
  10. 20. The name of the paper
Down
  1. 1. A beneficial opportunity
  2. 2. The process when a cell grows and divides to produce two daughter cells
  3. 4. Sharing genes
  4. 7. Process when the gene is modified
  5. 8. The evolutionary process by which populations evolve to become distinct species
  6. 10. A change in the DNA sequence of an organism
  7. 12. An animals level of _________
  8. 13. The branch of biology that deals with the form of living organisms, and with relationships between their structures.
  9. 16. Where you go to compete
  10. 19. An animal has ________ resources when in a different environment