Natural Selection

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Across
  1. 4. The ability of an organism to survive and reproduce
  2. 6. Blending in with surroundings to avoid detection
  3. 9. An action that helps an organism survive
  4. 11. An organism that is hunted
  5. 12. A group of organisms of the same species
  6. 13. Passing traits from parents to offspring
  7. 15. A change in DNA that can introduce new traits
Down
  1. 1. The process by which organisms better suited to their environment survive and reproduce
  2. 2. An organism that hunts others for food
  3. 3. A physical or behavioral feature passed from parents
  4. 5. A long-term change in species over time
  5. 7. All living and nonliving things in a particular place
  6. 8. The place where an organism lives
  7. 10. The struggle between organisms for resources
  8. 14. A characteristic that helps an organism survive