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California Native Plants!!

California Native Plants!!. Pollination. The transfer of pollen from the male anther to the female stigma. Strategies to Avoid Self-Pollination. Sexual reproduction is advantageous to an organism only if it happens with someone other than itself! strategies to avoid self-pollination:

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California Native Plants!!

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  1. California Native Plants!!

  2. Pollination • The transfer of pollen from the male anther to the female stigma

  3. Strategies to Avoid Self-Pollination • Sexual reproduction is advantageous to an organism only if it happens with someone other than itself! • strategies to avoid self-pollination: • Timing – • Molecular recognition–

  4. Pollen Distribution Flowering plants coevolved with pollinators • Wind- not efficient and not spp. specific • Animals • Insects • Birds • Mammals • Reptiles • amphibians

  5. Day and Night Pollinators

  6. Carrion plant (Amorphophallus titanum) Smelly!!

  7. Anoura fistulata

  8. mature sporophyte (2n) germination zygote in seed (2n) meiosis in anther meiosis in ovary fertilization DIPLOID HAPLOID eggs (n) sperm (n) megaspores (n) microspores (n) male gametophyte (n) female gametophyte (n) Stepped Art Fig. 30-3, p. 509

  9. Fruits • A mature, seed-containing ovary, that develop from other parts of a flower • Fruits function to protect and disperse seeds

  10. Fruit!! Yum!

  11. Adaptations for Fruit Dispersal

  12. Kopi Luwak

  13. Artificial pollination-

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