Ans. The insects pollinated and wind pollinated flowers have structural adaptations that facilities the transfer of pollen grains between two plants. Some of these adaptations are described in Table below: Adaptations In Insect-pollinated and wind-pollinated flowers
Feature
Insect Pollinated Flowers
Wind Pollinated Flowers
Size
Generally large
Generally small
Colour
Petals brightly coloured
Petals green or dull in colour
Nectar
Flowers face upwards
Flowers hang down for easy shaking
Stamens and stigmas
Enclosed inside ring of petals
Hang out of ring of petals
Pollen grains
Small number produced / heavy and sticky
Large number produced / light with smooth surface
Stigma
Pinhead shaped with no branches
Feathery branches for catching pollen
Examples
Examples, of insect pollinated flowers are buttercup, rose, wallflower, sunflower, orchid etc. Examples of wind pollinated flowers are grasses, willow, corn etc.