Natural Selection Crossword

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Across
  1. 2. The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
  2. 3. The naturalist behind the theory of natural selection.
  3. 4. The process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth.
  4. 6. A distinguishing quality or characteristic
  5. 9. A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Down
  1. 1. The study of genes, heredity, and genetic variation in living organisms.
  2. 4. A species, family, or other larger group having no living members
  3. 5. An individual animal, plant, or single-celled life form.
  4. 7. Make something suitable for a new use or purpose.
  5. 8. The study of living organisms