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Across
  1. 1. has more than one cell
  2. 4. different populations of living things in the same environment
  3. 5. a word that describes a living thing or something that was once living in an environment
  4. 6. a substance that stops a chemical reaction to continue at a lower temperature
  5. 9. life, animal, plant, fungus, protist, or bacterium
  6. 10. a protein that is expanding the rate of a chemical reaction without changing
  7. 11. a system with living and non living organisms in the same environment
  8. 12. Dna within a cell with special functions
Down
  1. 2. energy needed to make a specific chemical reaction.
  2. 3. a explanation that can possibly be proven
  3. 7. a word that describes a non living thing in an environment
  4. 8. is a force between molecules that are alike