Evolution and Species Interactions Crossword

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Across
  1. 2. The role an organism plays in its ecosystem, including its habitat and the way it interacts with other organisms.
  2. 5. A relationship in which both organisms benefit.
  3. 6. The process by which one species evolves into two or more separate species.
  4. 7. A relationship in which one organism benefits and the other is neither helped nor harmed.
  5. 9. A unit of inheritance that carries genetic information.
  6. 10. A relationship in which one organism benefits at the expense of another.
  7. 12. The process of gradual change in a species over time.
Down
  1. 1. A relationship between two organisms living in close association.
  2. 3. The death of all individuals of a species.
  3. 4. The ability of an organism to survive and reproduce in its environment.
  4. 8. A change in the DNA sequence of a gene.
  5. 11. The process of becoming suited to a particular environment.