Science

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Across
  1. 4. system- a group of organs that work together to do a certain job
  2. 5. membranes- a flexible wrapping around the cell to help keep its shape
  3. 7. any living thing that can carry out it's life on it's own
  4. 11. a green chemical in plant cells that allows plants to use the sun energy to make food
  5. 12. a group of tissues working together at the same job
  6. 13. a group of similar cells that work together at the same job
  7. 14. is a membrane covered structure used for storage of water, food and waste
Down
  1. 1. one celled organisms
  2. 2. plant and animal cells that have several basic structures in cell
  3. 3. the center of the atom that has most of its mass
  4. 6. many celled organisms
  5. 8. a gel like liquid that holds organelles in place
  6. 9. the smallest unit of living matter
  7. 10. an oval shaped organelle that supplies energy to the cell