9.4 - Reproduction in plants

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Across
  1. 1. In long-day plants, PFR............... transcription of genes
  2. 2. relationship 2 words. an association between organisms of two different species in which each member benefits.
  3. 3. the process of transfer of pollen from the anther to the stigma of a plant.
  4. 6. Absorbs red light (during day time) and is converted into PFR
  5. 7. 2 words. A procedure to get flowers to bloom out of season by changing the lengths of days and nights
  6. 10. 2 words. the tip of a shoot, the apical or lateral shoot meristematic dome together with the leaf primordial, from which emerge the leaves and sub-adjacent stem tissue.
  7. 12. Caused when water is absorbed through the micropyle to activate enzymes that break down starch in a seed
  8. 13. In short-day plants, PFR................ transcription of gene
Down
  1. 1. Pigments that absorb lights of different frequency, leading to activation of genes for flowering
  2. 3. Absorbs far-red light and is not very stable, so breaks down in darkness to form PR
  3. 4. 2 words with a hyphen. Plants that only flower when there is a short enough night
  4. 5. the action or process of fertilizing an egg or a female animal or plant, involving the fusion of male and female gametes to form a zygote.
  5. 8. The flowering time gene which is activated in order to causes flowering to occur
  6. 9. the process of producing conspicuous flowers.
  7. 11. 2 words with a hyphen. Plants that only flower when there is a long enough night