Evolution

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A business relation in which two parties ___ to gain customers (11)
  2. 3. Group of genetically related organisms constituting a single step in the line of descent (10)
  3. 5. An organism that has characteristics resulting from chromosomal alteration (8)
  4. 6. To make a copy or equivalent of (9)
  5. 8. A natural process resulting in the evolution of organisms best adapted to the environment (9)
  6. 13. An instance of change (9)
  7. 15. A tentative insight into the natural world (6)
  8. 16. To continue to live and avoid dying (7)

Down

  1. 1. No longer active (10)
  2. 4. All the means by which any alleged matter of fact whose truth is investigated at judicial trial is (8)
  3. 7. The sequence of events involved in the ___ development of a species or taxonomic group (9)
  4. 9. To make fit for, or change to suit a new purpose (7)
  5. 10. English natural scientist who formulated a theory of evolution by natural selection (6)
  6. 11. French naturalist who proposed that evolution resulted from the inheritance of acquired (7)
  7. 12. Someone whose style is out of fashion (plural) (7)
  8. 14. Hard piece of stone (plural) (5)