LS Chapter 1 Sections 3-4

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Across
  1. 4. one cell (asexual) divides to form two identical cells
  2. 6. organisms that have a nucleus
  3. 7. plants that lack a well-developed system of tubes for transporting water and other materials
  4. 10. one bacterium transfers some genetic material to another bacterium
  5. 12. a single celled organism
  6. 13. Anchor plant in the ground Absorb water and minerals from soil
  7. 14. Plant cells use captured energy to produce sugars and oxygen
  8. 16. organisms that can not produce their own food
  9. 17. small opening on underside of a leaf through which oxygen, water and Carbon dioxide can move
Down
  1. 1. A substance (weakened or altered virus) introduced into the body to stimulate the production of chemicals.
  2. 2. plants with true vascular tissue
  3. 3. A living thing that provides a source of energy for a virus or an organism.
  4. 5. carry substances between plant’s roots and leaves
  5. 8. Tiny, nonliving particle that invades and then multiplies inside a living cell.
  6. 9. captures light energy and exchanges gas
  7. 11. organisms that produce their own food
  8. 14. organisms that lack a nucleus
  9. 15. eukaryotes that can not be classified as animals, plants, or fungi