KS3 and KS4 Bioaccumulation featuring otters
These lessons have been created by Cardiff University Otter Project to highlight the impacts that contaminants have on Eurasian Otters. There are two lessons, one that is aimed at a KS3/ lower ability KS4 and the other which is aimed at higher ability KS3/ KS4. The PowerPoint runs through the entire lesson and there are presentation notes for most slides to give guidance/ additional information. We would appreciate feedback and welcome questions about the content.

See our other resources for KS2/3 on food chains and short activities for numeracy and literacy.


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  • Bioaccumulation-lesson-higher-ability.pptx
  • Bioaccumulation-lesson-lower-ability.pptx
  • Bioaccumulation-Lesson-Supporting-Info-for-teachers.docx

About this resource


Created: Mar 30, 2017

Updated: Feb 22, 2018

Whole lesson

pptx, 561 KB


Whole lesson

pptx, 596 KB



docx, 14 KB


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Creative Commons "Sharealike"

Creative Commons "Sharealike"