Question

Compare the characteristic features of insect pollinated and wind pollinated flowers. Explain how the respective features assist in pollination. [5 marks]

Answer 1

Features of wind pollinated flowers:

• Pollen grains are light weight.
• Well exposed stamens. [1.5 marks]

Features of insected pollinated flowers:

• Colourful; to be visible to pollinators
• Fragrant; to attract the pollinators.
• Rich in nectar; reward for pollinators. [1.5 marks]

The well exposed and light weight pollen allows it to be easily carried by the wind. Large feathery stigma to easily trap air-borne pollen grains. [1 mark]
Bright colours of the insect pollinated flowers make them easily visible to pollinators. Fragrance and nectar acts as an attractant. [1 mark]