pptx, 1.62 MB
pptx, 1.62 MB

WJEC AS Biology - 2.2 Adaptations for Gas Exchange

PowerPoint introducing the concept of Gas Exchange to AS Biology learners. A quick introduction to the topic covering key thinking points for later in the topic.
Includes link to video resource and some thinking activities throughout.

Key topics

  1. Surface area : Volume
  2. Key features of an exchange surface
  3. Different exchange surfaces in different habitats

Practice Questions included at end. All answers included.

Creative Commons "Sharealike"

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