common ancestry and natural selection

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Across
  1. 2. the remains of organisms that help show the evolution of life
  2. 7. organisms of a certain type taking up a particular area
  3. 9. the differences between species caused by enviornment factors
  4. 11. capable of being passed from one organism to another
  5. 12. a organisms ability to reproduce and survive in its enviornment
  6. 13. a specific character of a organism that can be passed down
  7. 14. the process of inheriting characteristics from previous generations
Down
  1. 1. the process of genetic change over time
  2. 3. evolution process where another species evolves from a older one
  3. 4. a organism from which another organism descended from
  4. 5. the change of a organism to better suit its environnment
  5. 6. ancestry different species sharing a common ancestor that have evolved to their own species overtime
  6. 8. a change in the DNA sequence of a cell
  7. 10. traits that can be passed from parents to a child