California Native Plants!!

Part A of the flower is known as the: 1.Stamen 2.Carpel 3.Endosperm 4.Sepal 5.Stigma AB

Part B of the flower is known as the: 1.Stamen 2.Carpel 3.Endosperm 4.Sepal 5.Stigma AB

Part C of the flower is known as the: 1.Stamen 2.Carpel 3.Ovary 4.Sepal 5.Stigma AB C

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: Timing – Molecular recognition –

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

Day and Night Pollinators

Smelly!!  Carrion plant ( Amorphophallus titanum)

Anoura fistulata

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

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

Fruit!! Yum!

Adaptations for Fruit Dispersal

 Kopi Luwak

 Artificial pollination-