3.3a Insect Pollination

Notes


Cross-Pollination = Transfer of:

Pollen (from anther, containing MALE nuclei), PlantA ---INSECTS--> Stigma (female), PlantB

Plant A


Adaptations to attract insects
    Lure:
     - Coloured Petals
     - Scents
    Reward:
     - Food in nectaries - fructose
     - Pollen (source of protein)

---> Male (Stamen)
       Anther (produces pollen grains)
       Filament (supports anther)

---> Female (Carpal)
       Stigma (pollen lands)
       Style (stigma ---> ovary)
       Ovary (contains eggs - OVULES)