Charles Darwin

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. To discover or determine the existence, presence, or fact of (7)
  2. 5. An act of traveling by water (6)
  3. 7. An assortment of things from which a choice can be made (9)
  4. 8. The act of making and recording a measurement (plural) (12)
  5. 12. A detailed critical inspection (6)
  6. 13. French naturalist who proposed that evolution resulted from the inheritance of acquired (7)
  7. 15. Any of numerous small songbirds with short stout bills adapted for crushing seeds (5)
  8. 16. A tentative insight into the natural world (6)

Down

  1. 1. A natural process resulting in the evolution of organisms best adapted to the environment (8)
  2. 2. Coins collectively (plural) (7)
  3. 4. The responsive adjustment of a sense organ to varying conditions (10)
  4. 6. A particular course of action intended to achieve a result (7)
  5. 9. A process in which something passes by degrees to a different stage (9)
  6. 10. Someone regarded as certain to succeed (7)
  7. 11. Horny projecting mouth of a bird (4)
  8. 14. To make fit for, or change to suit a new purpose (7)