Cells

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Across
  1. 3. Single or multi cellular organisms that contain a nucleus
  2. 4. Structures that work together to help cells perform life processes - "tiny organs"
  3. 5. A layer around the outside of the cell that gives the cell shape and controls what moves in and out of the cell
  4. 6. Breaks down food and turns it into energy for the cell to use
Down
  1. 1. Organisms composed of only one cell that have no nucleus
  2. 2. The smallest unit of a living thing that can carry out the basic processes of life
  3. 5. A gel-like substance that supports all of the organelles
  4. 7. Controls all of the activities in the cell