Cells

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Across
  1. 3. an animal, plant, or single-celled living thing
  2. 6. an instrument that allows you to look closely at objects that are invisible to the human eye
  3. 8. single-celled organisms that can cause some diseases
  4. 9. ancient; prehistoric
  5. 10. any specialized structures inside a cell that perform specific tasks; similar to organs
Down
  1. 1. threadlike structures inside cells that carry genetic materials
  2. 2. the strength a living thing gains from absorbing nutrients
  3. 4. relating to genes; hereditary information that is passed from parent to child
  4. 5. substances that provide the nourishment living things need to survive and grow
  5. 7. remain alive