Biology - Ch. 3

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 6. A pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants (8)
  2. 7. A unicellular organism having cells lacking membrane-bound nuclei (10)
  3. 9. The ___ that ___ form the fundamental structural and functional units of all living organisms (10)
  4. 11. Any fine network (9)
  5. 12. An organism with cells characteristic of all life forms except primitive microorganisms such (9)
  6. 13. Center of an atom or a cell (7)
  7. 14. A microscopic network of actin filaments and microtubules in the cytoplasm of many living cells (12)
  8. 15. The process of translating photographs into a digital form that can be recognized by a computer (8)
  9. 16. The act of expanding something in apparent size (13)

Down

  1. 1. An organelle found in the cytoplasm of most cells (8)
  2. 2. A lash-like appendage used for locomotion (9)
  3. 3. A specialized part of a cell (9)
  4. 4. An organelle in the cytoplasm of a living cell (8)
  5. 5. Plastid containing ___ and other pigments (11)
  6. 8. Any of various compounds composed of fatty acids and ___ acid and a nitrogenous base (12)
  7. 10. A rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic ___ (8)