Evolution and Natural Selection

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. French naturalist who proposed that evolution resulted from the inheritance of acquired (7)
  2. 6. Having the capacity for thought and reason especially to a high degree (11)
  3. 7. The immediate descendants of a person (9)
  4. 9. The quality of being suitable (7)
  5. 11. Someone from whom you are descended (plural) (9)
  6. 12. A natural process resulting in the evolution of organisms best adapted to the environment (9)
  7. 14. Any of numerous extinct terrestrial reptiles of the Mesozoic era (8)
  8. 15. Any living or extinct member of the family Hominidae characterized by superior intelligence (5)

Down

  1. 1. A group of islands in the Pacific off South America (9)
  2. 3. All the people living at the same time or of approximately the same age (10)
  3. 4. To obtain from someone after their death (9)
  4. 5. A natural process resulting in the evolution of organisms best adapted to the environment (8)
  5. 8. A segment of DNA that is involved in producing a polypeptide chain (4)
  6. 10. The sequence of events involved in the ___ development of a species or taxonomic group (9)
  7. 13. A distinguishing feature of your personal nature (5)
  8. 14. English natural scientist who formulated a theory of evolution by natural selection (6)