Plants:increasing the number

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Across
  1. 3. the susstance which gives the green colour
  2. 7. the process by which a seed devolops into a plant
  3. 8. the part of plant which holds the plant down
Down
  1. 1. the process by which a plant makes its own food
  2. 2. the seed which has only one cotyledon
  3. 4. the kitchen of the plant
  4. 5. the part which supports the plant
  5. 6. a baby plant