One Small Place in a Tree

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Across
  1. 2. having a hole or an empty space inside
  2. 3. a confusing series of paths or passageways through which people might get lost
  3. 6. a tiny living cell that can be seen only though a microscope. Some cause disease; others help, such as making rich soil.
  4. 7. to put away for future use
Down
  1. 1. moving in a large group
  2. 4. Only
  3. 5. a person or an animal that lives in a certain place