Nutrients in plants

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Across
  1. 4. plants need nitrogen for
  2. 5. organisms that make their own food.
  3. 7. plants take in carbondioxide and release
Down
  1. 1. an edible fungi.
  2. 2. tiny pores under the leaves .
  3. 3. green pigment in leaves .
  4. 6. ultimate source of energy for all living things.