Plants are kinda neat

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Across
  1. 2. he tough protective outer sheath of the trunk, branches, and twigs of a tree.
  2. 3. Its main function is photosynthesis.
  3. 6. Plants make it with air and sugar.
  4. 8. The process by which plants use sunlight to synthesize nutrients from carbon dioxide and water.
  5. 10. A fruit consisting of a hard or tough shell around an edible kernel.
  6. 11. The colour of most plants.
Down
  1. 1. Animals which live off only plants.
  2. 4. The sweet and fleshy product of a tree or other plant.
  3. 5. The seed bearing part of a plant which can turn into a fruit.
  4. 7. The anchor of a plant which also brings in water.
  5. 9. Plant grow from these.