Darbie

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. Free-living or colonial organisms with diverse nutritional and reproductive modes (7)
  2. 7. Any of a group of green pigments found in photosynthetic organisms (11)
  3. 8. Tiny single-celled living things, some of which cause illness (8)
  4. 9. Part of an organism consisting of an aggregate of cells having a similar structure and function (6)
  5. 10. Instrumentality that combines interrelated interacting artifacts designed to work as a coherent (6)

Down

  1. 1. Red liquid pumped around the body by the heart (5)
  2. 2. Of or relating to or having vessels that conduct and circulate fluids (8)
  3. 4. Tiniest unit of living things (4)
  4. 5. A fully differentiated structural and functional unit in an animal that is specialized for some (5)
  5. 6. An individual living thing. (8)