Natural Selection and Evolution

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Across
  1. 5. a trait or change in a species that makes them better suited to their environment
  2. 9. this animal's diet consists of human food waste in cities
  3. 11. country environments
  4. 12. _________ selection, when specific traits are selected for in plans or animals by humans
  5. 14. the process by which species change over time to become better suited to their environment
  6. 15. the ground temperature that causes clover to stop making hydrogen cyanide
Down
  1. 1. the material that binds to melanin in the pigeons feathers
  2. 2. city environments
  3. 3. produces hydrogen cyanide
  4. 4. organisms who are better suited to the environment will produce more offspring
  5. 6. all the organisms in an area at a time that can interbreed
  6. 7. does not produce hydrogen cyanide
  7. 8. a group of organisms that can breed and have offspring that can breed
  8. 10. how organisms digest food (we discussed in rodents)
  9. 13. the dark colored pigment found in pigeon feathers