Evolution/Natural Selection

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Across
  1. 3. A group of different species living in the same same and interact with each other.
  2. 6. selection: The selective breeding of organisms by humans for specific characteristics.
  3. 8. factors: All the non-living things in an ecosystem.
  4. 9. All the members of the same species living in the same place.
  5. 10. The ability of one or more organisms to tolerate a particular chemical designed to kill it.
  6. 12. flow: The movement of genes from one population to another.
  7. 14. Where two or more species reciprocally affect each other's evolution.
  8. 16. Drift: Changes form generation to generation.
  9. 17. A group of organisms that can mate to produce fertile offspring.
Down
  1. 1. selection: The survival and reproduction of organisms with particular traits.
  2. 2. When some individuals move from one population to the other.
  3. 4. A place where organisms live.
  4. 5. factors: All the living organisms in an ecosystem.
  5. 7. Made up of all living organisms living in the same area.
  6. 8. inherited trait that increases an organism's chance of survival and reproduction in a certain environment.
  7. 11. change in DNA.
  8. 13. A change in the genetic characteristics of a population from one generation to the next.
  9. 15. A individual living thing