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Differentiate between the pollen grains of insect-pollinated flowers and those of wind-pollinated flowers.

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Cambridge IGCSE BiologyReproductionCore content

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Differentiate between the pollen grains of insect-pollinated flowers and those of wind-pollinated flowers

This point belongs to Sexual reproduction in plants, especially Sexual reproduction in plants outcomes.
You need to be able to differentiate between the pollen grains of insect-pollinated flowers and those of wind-pollinated flowers.
The key ideas to know are Distinguish.
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Distinguish

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Description

Pollen Grain Characteristics

Insect-pollinated pollen grains are large, sticky or spiky, and heavy. Wind-pollinated pollen grains are small, smooth, and light.

a
State one difference between the pollen grains of insect-pollinated flowers and those of wind-pollinated flowers.
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[1]

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Related learning objectives

Recognize and illustrate the following components of an insect-pollinated flower in diagrams: sepals, petals, stamens, filaments, anthers, carpels, style, stigma, ovary, and ovules.
Sexual reproduction in plants outcomes
Explain the roles of the structures mentioned in section 16.3.1.
Sexual reproduction in plants outcomes
Recognize and explain the anthers and stigmas found in wind-pollinated flowers using diagrams and images.
Sexual reproduction in plants outcomes
Explain pollination as the process of transferring pollen grains from an anther to a stigma.
Sexual reproduction in plants outcomes
Acknowledge that fertilization happens when a pollen nucleus merges with a nucleus in an ovule.
Sexual reproduction in plants outcomes

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