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Sampling with Quadrats GCSE Biology Required Practical
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=RhMOCxXcDrQ
Dr Acton shows you how to estimate population size using random sampling with a quadrat, as well as using it to observe changes in population along a transect. • ---------------------------- • 00:00 Estimating population - random sampling • 01:10 Counting organisms • 02:07 Calculating population • 02:40 Using a transect • 03:50 Analysis - biotic abiotic factors
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