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Important Exercise

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Sampling Techniques

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Environmental sampling techniques -iAQA GCSE Certificate

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GCSE Biology Revision: Sampling along a transect

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GCSE Biology Revision: Sampling along a transect You can watch all my videos at www.freesciencelessons.co.uk In this video, we look at the second sampling technique that you need to know: sampling along a transect. This sounds a bit tricky but it's actually extremely straightforward.

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GCSE Biology Revision: Random sampling with quadrats

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GCSE Biology Revision: Random sampling with quadrats You can watch all my videos at www.freesciencelessons.co.uk In this video, we look at how to sample the organisms in a habitat using the technique of random sampling with quadrats. Expect questions in your exam on this. Examiners love it.

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Environmental Change

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Environmental change and distribution of organisms iAQA GCSE certificate