Science: Living things and

their habitats - Plants

Year 5 Tuesday 23rd June

Recap

Function of each part of the flower

• Today we are going to look at each part of the flower in more detail

what job it does and how it helps the plant to reproduce.

• https://www.bbc.co.uk/teach/class-clips-video/science-ks1-ks2-ivys-

plant-workshop-the-anatomy-of-the-flower/zjmhkmn

Functions of each part of the flower

• We know that plants must produce seeds in order to reproduce.

And to make a seed a flower must be pollinated.

• So, just like actors in a play, each part of the flower has a role to

play. These parts are vital and pollination wouldn’t be able to take

place without any one of these.

Petals

It is the petal’s job to

attract the insects

towards the flower.

Interestingly, the colours

that we see are not the

same as the colours that

the insects see. Insects

see in ultraviolet, which is

a type of light which is

outside the range of what

human eyes can see.petal

The style is above the

ovary and its job is to

hold up the stigma. The

style, ovary and stigma

all make up the female

part of the flower, which

is called the 'carpel' or

'pistil'.

Style

style

The stigma’s job is to collect

the pollen from other plants

when insects brush by it. It

has adapted to catch the

pollen in different ways e.g.

some stigma have tiny hairs

on them to collect the pollen.

It is on the stigma that

growing process first begins.

stigma

Stigma

The filament’s role is to hold

up the anther. If the anther

was very low down, then

insects might not be able to

collect that flower’s pollen.

What would happen if pollen

was harder for insects to

collect?filament

Filament

The role of the anther is to

produce the pollen. It is

important that this pollen is

then carried to another plant.

Which part of the plant

would the pollen need to be

taken to?

anther

Anther

It is the ovary's job to hold

the ovules and to keep them

safe until the flower gets

pollinated. Then produce

seeds.

ovary

Ovary

Task 1: Using the information complete the following

statements

is produced by flowers and can be collected by insects.

The job of the stigma is to .

The job of the stamen is to .

The job of the filament is to .

The job of the style is to .

The job of the anther is to .

The job of the ovary is to .

Task 2: Quiz Name the parts:

1. I am brightly coloured to attract insects –

2. I am made up of the anther and filament –

3. I produce pollen (male) –

4. I hold up the stigma -

5. I support the anther to make it accessible to insects –

6. I contains ovules, which when fertilised with pollen will swell and

produce fruit -

7. I have a sticky portion at the top of the style where the pollen

grains usually land –

Task 2: Quiz - answers

Name the parts:

1. Brightly coloured, attracts insects – petals

2. Made up of the anther and filament – Stamen

3. Produces pollen (male) – anther

4. I hold up the stigma - style

5. Supports the anther to make it accessible to insects – filament

6. Contains ovules, when fertilised with pollen these will swell and

produce fruit - Ovary

7. Sticky portion at the top of the style where the pollen grains

usually land – stigma

Task 3: Labelled diagram

Using your information from yesterday and today, create a detailed labelled

drawing of the inside of the flower.

Please include:

• Each part of the flower

• Label each part of the flower (use the previous slides to check for your

spellings)

• A sentence to explain the function of each part of the flower.

•Please colour lightly using pencils and draw your labelling lines with a ruler

and pencil.

•You can use the writing frame on the next slide to help you.

Extra challenge

• Can you make a 3D model of the inside of a flower.