Flowering_Plants

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Recap - Parts of a Flower : 

Recap - Parts of a Flower Filament Anther Stigma Style Ovary Petal Sepal Ovule A B C D E F G H

Think About This : 

Think About This What does all these tell us about the process of pollination?

Sexual Reproduction of Flowering Plants : 

Sexual Reproduction of Flowering Plants

Pollination : 

Pollination Life Cycle of a Flowering Plant

Pollination : 

Pollination Pollination is the transfer of pollengrains from the anther to the stigma of a flower. stigma anther

2 Types of Pollination : 

Self pollination Cross-pollination 2 Types of Pollination

How Do They Pollinate? : 

How Do They Pollinate? stigma anther

Flowers with separate male and female parts : 

Flowers with separate male and female parts

Function of a pollinator : 

Function of a pollinator Pollinators go from flower to flower to get food (nectar) and pollen. They get pollen on their legs or beaks and when they go to another flower to eat, they drop off pollen from other flowers.

Slide 10: 

Name some of these Pollinators Bees , wasps, flies, beetles, bugs, butterflies How does these insects transfer the pollens from one flower to another? The pollen will stick to parts of insects’ bodies, e.g pollen ‘bags’ situated on the legs of bees.

Slide 11: 

Birds and bats are nectar drinking animals and the pollen cling to their furry coats. Pollen tend to be smaller and lighter in order to be carried by the wind.

How do flowers attract pollinators : 

How do flowers attract pollinators Bright colours. Pollinators see them as bright colourful landing strips Aromatic nectar (strong smelling)

Slide 13: 

Shape of flower that is designed for certain type of pollinator. Sometimes a flower gives their pollinator a reward such as nectar or pollen but really they don’t get anything from the flower.

Sexual Reproduction of Flowering Plants : 

Sexual Reproduction of Flowering Plants

Morning glory flower after fertilisation : 

Morning glory flower after fertilisation Flower blooms Flower dying

Slide 18: 

2-3 days after fertilisation About 2 weeks after fertilisation 30 days after fertilisation and fruit has grown. 6 green seeds and the ovule has grown to become seed

Slide 19: 

50 days and outer layer becomes light brown Cross section of the fruit inside and fruit is divided into 3 sections and the seeds are black in colour.

Slide 20: 

Recap on pollination The definition of pollination is the transfer of pollen from the anther to the stigma – usually to another flower) The definition of fertilisation (the fusion of male sex cells from pollen with the female cells within ovules) Unless this two processes occur there will be no fruits and seeds. The next process will be dispersal of seeds.

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