3.3a Insect Pollination

Structures of an insect-pollinated flower + Adaptation for pollination:
In process of pollinating flower, there is a transfer of "pollen."
Pollen: contanins the male nuclei + source of protein.
Transferred by: Insects.
Cross pollination: insects take pollen from one flower to another.

Insects: 
They get attracted by signals: brightly colored petals, petal shape, + food reward – pollen &/or nectar, fragrance


Carpel: Female organs of flower:

• Stigma: collects the pollen from the pollinating insect , & stimulates pollen germination.
• Style: positions the stigma for effective pollen collection.
• Ovary: site of fertilisation, protects the developing seeds, aids in seed dispersal.

Stamen: Male organs of flower:

• Anther: pollen formation & release.
• Filament: positions the anther for effective pickup of pollen by the pollinating insect.