Unit1 Biology vocabulary 1

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Across
  1. 1. Photosynthesis uses CO2 and H2O to produce O2 and________.
  2. 3. Water and mineral salts are transported from a plants' roots to its leaves inside long and hollow tubes called_______vessels.
  3. 4. It changes color when iodine solution is added in a leave.
  4. 5. It is the way that plants make food, using light energy.
  5. 10. Flowers have brightly coloured________(s) and good smell to attract bees or other animals.
Down
  1. 2. This tissue(site) in a leaf is where most photosynthesis take place and it contains chlorophyll.
  2. 4. Leaves have tiny holes(孔) in their lower surfaces, called____, which allow carbon dioxide to get into the leaf from the air.
  3. 6. The female parts of a flower are stigma, style and _____.
  4. 7. Name a mineral that contains nitrogen and can be used by plants.
  5. 8. To remove(come out of) chlorophyll, we add ______into beaker(烧杯).
  6. 9. The male parts of the flower are the ______.