6.2 Roots

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6.2 Roots

Slide 1 - Diapositive

Aim:

What are roots and what functions do they have?
Which types of root systems are there?

Slide 2 - Diapositive

Structures of a root

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What do the roots do?

The root cap senses where there is water.
The primary and lateral roots anchor the plant in the ground and provide support.
The root hairs absorb the water and nutrients from the soil.

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Why do plant roots have cells with roothairs? look it up on page 152

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osmosis

the movement of water from one side to the other.

Water moves from the side with the most water to the side with the least water.

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You can skip page 153!

do not learn!!

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Review: what have I learnt?

Close your books

Write down a short answer to these two questions below:

What are roots and what functions do they have?
Which types of root systems are there?

After a signal discuss your answers with your neighbour

Slide 10 - Diapositive

6.2 Roots

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