Biology Crossword

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Across
  1. 4. a group of cells that have similar structure
  2. 5. acid abbreviated DNA
  3. 6. complex molecules that play many critical roles in the body.
  4. 9. Your heart, kidneys, and lungs
  5. 10. anything that can trigger a physical or behavioral change
  6. 12. Each organ has a specialized role
Down
  1. 1. genetic code is the set of rules used by living cells
  2. 2. the shape of DNA
  3. 3. basic unit of heredity
  4. 7. animal, plant, fungus, protist, bacterium, or archaeon on Earth.
  5. 8. the smallest, basic unit of life
  6. 11. Ribosomal ribonucleic a virus, or extrachromosomal DNA.