Virus, Bacteria and Protist

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 5. Free-living or colonial organisms with diverse nutritional and reproductive modes (7)
  2. 6. The state of being joined together (11)
  3. 7. Spirally twisted elongate rodlike bacteria usually living in stagnant water (9)
  4. 11. Any spherical or nearly spherical bacteria (6)
  5. 12. A unicellular organism having cells lacking membrane-bound nuclei (10)
  6. 14. Minute single-celled green freshwater organism having a single flagella (7)
  7. 15. Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots (5)

Down

  1. 1. An organism that depends on complex organic substances for nutrition (11)
  2. 2. Plant capable of synthesizing its own food from simple organic substances (9)
  3. 3. Resembling fungi (10)
  4. 4. A harmful or corrupting agency (5)
  5. 5. Any member of the genus ___ (10)
  6. 8. Of or relating to ___ (9)
  7. 9. A long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like (3)
  8. 10. The experience of being alive (6)
  9. 13. Large brown seaweeds having fluted leathery fronds (4)