Chapter 4, Section4 Crossword!

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 6. Tiny single-celled living things, some of which cause illness (8)
  2. 7. Absence of light or illumination (8)
  3. 9. How plants make food from sunlight (14)
  4. 10. Force pushing on something (8)
  5. 11. A hole for the escape of gas or air (4)

Down

  1. 1. Black marine bivalves usually steamed in wine (plural) (7)
  2. 2. The rays of the sun (8)
  3. 3. A living thing that has the ability to act or function independently (plural) (9)
  4. 4. Burrowing marine mollusk living on sand or mud (plural) (5)
  5. 5. A living organism lacking the power of locomotion (9)
  6. 8. A long steep-sided depression in the ocean floor (4)