Evolution

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. An individual living thing. (8)
  2. 4. The remains of a plant or animal that existed in a past geological age and that has been excavated (6)
  3. 6. A natural process resulting in the evolution of organisms best adapted to the environment (8)
  4. 8. The natural world around us (11)
  5. 9. The sequence of events involved in the ___ development of a species or taxonomic group (9)
  6. 10. The quality of being suitable (7)
  7. 11. The number of inhabitants in a given place (10)

Down

  1. 2. A single organism (10)
  2. 3. The responsive adjustment of a sense organ to varying conditions (10)
  3. 5. Coins collectively (plural) (7)
  4. 7. English natural scientist who formulated a theory of evolution by natural selection (6)