California Native Plants!!

Part A of the flower is known as the:

1. Stamen

2. Carpel

3. Endosperm

4. Sepal

5. Stigma

A B

Part B of the flower is known as the:

1. Stamen

2. Carpel

3. Endosperm

4. Sepal

5. Stigma

A B

Part C of the flower is known as the:

1. Stamen

2. Carpel

3. Ovary

4. Sepal

5. Stigma

A B

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)

fertilization DIPLOID

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-