Classification

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 5. Prokaryotic bacteria and blue-green algae and various primitive pathogens (6)
  2. 8. A set that is closed, associative, has an identity element and every element has an inverse (plural) (6)
  3. 10. The act of distributing things into ___ or categories of the same type (14)
  4. 11. The major taxonomic group of animals and plants (6)
  5. 12. The highest taxonomic group into which organisms are grouped (7)
  6. 13. A living organism characterized by voluntary movement (6)
  7. 14. Hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front (plural) (5)

Down

  1. 1. A command given by a superior that must be obeyed (5)
  2. 2. A body of students who are taught together (5)
  3. 3. Free-living or colonial organisms with diverse nutritional and reproductive modes (7)
  4. 4. Parents, children and relatives who belong together (6)
  5. 6. The taxonomic kingdom including yeast, molds, smuts, mushrooms, and toadstools (5)
  6. 7. Study of the general principles of scientific classification (8)
  7. 9. Coins collectively (plural) (7)
  8. 11. Living thing that grows in soil and makes its own food (5)