Green friends

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Across
  1. 2. Extra food is stored in the form of ____________ in the leaves , stems, or roots.
  2. 3. Pores on the underside of a leaf.
  3. 6. A substance that makes the leaves green.
  4. 7. The main vein running along the centre of a leaf.
  5. 9. A _______ needs to be maintained between the number of plants and animals.
Down
  1. 1. Programmes like ____________ promote the planting of trees.
  2. 3. Food made by plants is in the form of ______.
  3. 4. This gas is NOT needed by plants for photosynthesis.
  4. 5. Though the leaves of _________ appear red , they contain chlorophyll.
  5. 8. Name of the plant that does not have leaves.