Exchange surfaces

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Designed for the new specification AQA GCSE( covers spec point ) course but can be modified for other exam boards.

13 slides covering Exchange surfaces.

By the end of the powerpoint students would have covered:

-Why do plants and animals need to have exchange surfaces
-Define the term surface area to volume ratio
-How does the surface area to volume ratio change as the organism gets larger.
-Includes a practical.

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  • Exchange-surfaces.pptx

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Created: Jan 28, 2017

Updated: Jan 4, 2019

Whole lesson

pptx, 54 MB


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