The life of a sunflower

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Across
  1. 3. What sunflowers do from a seed to a tall plant.
  2. 5. A tall plant with large yellow flowers that follow the sun.
  3. 9. The process that helps the sunflower produce seeds.
  4. 10. When seeds or sunflowers are collected for use.
  5. 12. The star that sunflowers turn to face.
  6. 13. The tall, strong part of the sunflower that supports it.
  7. 14. The green parts of the sunflower that help it absorb sunlight.
Down
  1. 1. The repeating stages of the sunflower's life.
  2. 2. Where the sunflower is planted to take root.
  3. 4. The bright yellow parts of the sunflower's flower.
  4. 6. What a sunflower needs to survive and grow.
  5. 7. The part of the sunflower that absorbs water and nutrients from the soil.
  6. 8. The part of the plant that produces seeds.
  7. 9. The action of putting seeds in the soil.
  8. 11. What sunflowers produce and humans or animals eat.