Natural selection crossword puzzle

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Across
  1. 3. The way in which an animal or person acts in response to a particular situation
  2. 5. Is a substance or object in the environment required by an organism for normal growth, maintenance, and reproduction.
  3. 8. The movement of genes into or out of a population
  4. 9. A state of minimal activity and metabolic depression undergone by some animal species.
  5. 11. A change in genetic mutation
  6. 13. The Natural creation of living organisms
  7. 14. The process of organisms changing over time. Organisms with traits better suited to their environment tend to survive and reproduce.
  8. 15. A famous biologist and naturalist who is known for his contributions to the study of evolution through the process of natural selection.
  9. 16. A characteristic belonging to a population or organism.
  10. 17. An animals ability to hide from predators
  11. 18. The change in the frequency of an existing gene variant in a population due to random chance.
  12. 19. The difference in DNA among individuals or the differences between populations.
  13. 20. A change or the process of change by which an organism or species becomes better suited to its environment.
Down
  1. 1. Resemblence between two organisms
  2. 2. An organism's ability to survive
  3. 4. A process in which humans choose specific traits they want and breed organisms together for those specific traits.
  4. 6. The process by which species adapt over time in response to their changing environment.
  5. 7. An animal that prays on other animals
  6. 10. The way people or animals naturally react or behave, without having to think or learn
  7. 12. Behaviors an organism develops as a result of experience