Chapter 21

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Across
  1. 1. Plant-like protists that make food by photosynthesis
  2. 2. Organism that breaks down dead material
  3. 3. Tail-like structure used for movement
  4. 4. Protist that uses cilia to move
  5. 7. Rigid outer layer for protection
  6. 10. Method of reproduction in prokaryotes
  7. 11. Eukaryotic organism that is not plant, animal, or fungi
  8. 12. Tiny particle that can only reproduce inside a host
  9. 15. Tiny hair-like structures used for movement
  10. 16. Genetic material found in some viruses
  11. 17. Protist that moves using pseudopods
  12. 18. Living cell a virus infects
Down
  1. 1. Prokaryotes that live in extreme environments
  2. 5. Network of hyphae
  3. 6. Organisms that absorb nutrients from surroundings
  4. 8. Cycle where the host cell bursts
  5. 9. Single-celled organisms without a nucleus
  6. 13. Reproductive cell in fungi
  7. 14. Thread-like structures in fungi
  8. 15. Protein coat that surrounds a virus