Evolution Vocab!

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Across
  1. 4. seasonal movement of species from one region to another
  2. 7. gradual change in species overtime
  3. 9. preserved remains of traces of an organism that lived in the past
  4. 10. last shared _____________ on the branching tree of revolution
  5. 13. how strong a organism can survive and reproduce in its environment
  6. 14. controls a trait and a segment of a DNA strand
  7. 15. being populated with an excessive large number
Down
  1. 1. a trait that helps one survive and reproduce
  2. 2. differences between the same species
  3. 3. when individuals adapt to their environment and most likely to survive and reproduce
  4. 5. babies
  5. 6. there are no more of that species
  6. 8. a group of similar organisms that mate with each other and produce fertile offspring
  7. 11. change of a material in a cell
  8. 12. the theory of evolution working slowly