Science Crossword Puzzle

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Across
  1. 4. stuff that makes up all living and nonliving objects
  2. 6. The organelles that produce most of the energy that cells need
  3. 11. A desirable outcome given up to gain another desirable outcome
  4. 13. Information that supports or refutes a chain
  5. 17. Something that happens in a repeated and predictable way
  6. 18. An organism made up of a single cell or many cells with a nucleus, and that is not an animal, plant, or fungus
  7. 19. A microscopic cellular organism or a virus
  8. 20. The ability to cause an object to change, move, or work
Down
  1. 1. A collection of tissues that performs a particular function or set of functions
  2. 2. An organism made up of one cell
  3. 3. Large molecules made up of chains of subunits called amino acids
  4. 5. Group of similar cells and cellular material that perform a particular function
  5. 7. The process of breaking down food
  6. 8. A chemical that indicates the presence, absence, or concentration of a particular substance
  7. 9. Large molecules made up of chains of fatty acids
  8. 10. Single-celled organisms that do not have a nucleus or other membrane-bound organelles
  9. 12. Smallest structural unit, enclosed by a membrane, that makes up all living organisms
  10. 14. An organism that spreads disease-causeing microbes from one hot to another without getting sick itself
  11. 15. Theory of Disease The theory that microbes can cause infectious diseases
  12. 16. Any representation of a system used to help one understand and communicate how it works