FACTORS AFFECTING THE RATE TRANSPIRATION GCSE Biology 9-1 | Combined Sci

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In this video, we take a look at the factors affecting the rate of transpiration.

I’ll start by explaining why factors that affect the rate of photosynthesis also affect the rate of transpiration - there are two main ones here.

Then we’ll look at two more factors that affect the rate of evaporation - remember, evaporation is what drives transpiration! Without the evaporation of water, there wouldn’t be any water loss.

Next, we’ll consider plant adaptations for water loss. Plants want to minimise this, so they can have a waxy cuticle, wilt, and close their stomata.

Finally, we’ll cover some quick questions so you can check what you’ve understood.

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Emma the teachie
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