Flower Structure & Pollination (IGCSE)

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Last updated 1:27 AM on 9/4/26
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17 Terms

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fertilisation

The fusion of a male and a female gamete to form a zygote.

<p>The fusion of a male and a female gamete to form a zygote.</p>
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zygote

The single cell formed when two gametes fuse.

<p>The single cell formed when two gametes fuse.</p>
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pollen

Contains the male gametes of a flowering plant.

<p>Contains the male gametes of a flowering plant.</p>
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stamen

The male part of a flower (anther + filament).

<p>The male part of a flower (anther + filament).</p>
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anther

Produces pollen.

<p>Produces pollen.</p>
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filament

Stalk that supports the anther.

<p>Stalk that supports the anther.</p>
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carpel

The female part of a flower (stigma, style and ovary).

<p>The female part of a flower (stigma, style and ovary).</p>
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stigma

Sticky surface that receives pollen.

<p>Sticky surface that receives pollen.</p>
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style

Connects the stigma to the ovary; the pollen tube grows down it.

<p>Connects the stigma to the ovary; the pollen tube grows down it.</p>
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ovary (flower)

Contains the ovules; becomes the fruit after fertilisation.

<p>Contains the ovules; becomes the fruit after fertilisation.</p>
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ovule

The female gamete of a plant; becomes a seed after fertilisation.

<p>The female gamete of a plant; becomes a seed after fertilisation.</p>
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insect-pollinated

A flower adapted to spread pollen using insects (bright, scented, sticky pollen).

<p>A flower adapted to spread pollen using insects (bright, scented, sticky pollen).</p>
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wind-pollinated

A flower adapted to spread pollen by wind (small, dull, lots of light pollen).

<p>A flower adapted to spread pollen by wind (small, dull, lots of light pollen).</p>
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pollination
The transfer of pollen from an anther to a stigma.
The transfer of pollen from an anther to a stigma.
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pollen tube
Grows from the pollen down the style to reach the ovule.
Grows from the pollen down the style to reach the ovule.
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seed
A fertilised ovule.
A fertilised ovule.
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fruit
The ovary after fertilisation, which contains the seeds.
The ovary after fertilisation, which contains the seeds.